UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 1
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
IDEAL Wire-Nut® Wire Connectors
Model
300 Volt Maximum
600 Volt Maximum
71B®
Strip
solid
wires ¼”
(6,5mm);
Strip
stranded
wires
5/16”
(8mm)
1 #14
1 to 2 #16
1 #18 str.
2 to 3 #18
2 to 4 #20
2 #22 str.
3 to 4 #22
5 #22 sol
1 #14 w/1 #20 or #22
1 #16 w/1 #18
1 #16 w/1 to 2 #20
1 #16 w/1 to 3 #22
1 #16 w/1 #20 w/1 #18 or #20
1 #18 w/1 to 3 #20
1 #18 w/1 to 4 #22
1 to 2 #18 w/1 #20 w/1 #22
2 #18 w/1 #20
2 #18 w/1 to 2 #22
1 #20 w/1 to 4 #22
2 #20 w/1 to 3 #22
3 #20 w/1 to 2 #22
4 #20 w/1 #22
Model
300 Volt Maximum
600 Volt Maximum
72B®
Strip
wires
#16 and
smaller
½”
(13mm);
all
others
3/8”
(9,5mm)
1 #14 str.
1 #16 str.
2 to 3 #16
1 #18 str.
2 to 4 #18
2 to 5 #20
2 #22
1 #14 w/1 #16
1 #14 w/1 to 2 #18
1 #14 w/1 to 3 #20
1 #14 w/1 to 4 #22
1 #16 w/1 to 3 #18
1 #16 w/ 1 #18 w/ 1 #20
1 #16 w/1 to 4 #20 or #22
1 #16 w/1 #22 w/1 #18 or #20
2 #16 w/1 #18
2 #16 w/1 to 2 #20
2 #16 w/1 #20 w/1 #22
2 #16 w/1 to 3 #22
1 #18 w/1 to 4 #20 or #22
1 to 2 #18 w/1 #20 w/1 #22
2 #18 w/1 to 3 #20 or #22
3 #18 w/1 to 2 #20 or #22
4 #18 w/1 #20 or #22
3 #20 w/1 to 2 #22
4 #20 w/1 #22
Model
300 Volt Maximum
600 Volt Maximum
73B®
Strip
wires
#16 and
smaller
Stranded
3/8”
(9,5mm);
all
others
5/16”
(8mm)
3 to 4 #16
5 #18
3 to 5 #20
5 #22
1 #14 w/2 #16
1 #14 w/1 #16 w/1 #18
1 #14 w/3 #18
1 #14 w/4 #20
2 #14 w/1 #18
2 #14 w/1 to 3 #20 or #22
1 #16 w/4 #18
2 #16 w/2 to 3 #18
2 #16 w/3 #20
3 #16 w/1 #18
3 #16 w/1 to 2 #20 or #22
4 #16 w/1 #20 or #22
1 #18 w/1 #20
1 #18 str. w/5 #22 str.
2 #18 w/3 #22
3 #18 w/2 #20 or #22
4 #18 w/1 #20 or #22
1 #20 w/4 #22
2 #20 w/2 to 3 #22
3 #20 w/1 to 2 #22
4 #20 w/1 #22
1 to 2 #14
1 #16 str.
2 #16
1 #18 str.
2 to 4 #18
1 #14 w/1 to 2 #18
1 #14 w/1 to 3 #20
1 #14 w/1 to 3 #22
1 #14 w/1 #16 w/1 #18
1 #14 w/1 #16
1 #16 w/1 to 2 #18
1 #16 w/1 to 3 #20 or #22
2 #16 w/1 to 2 #20
2 #16 w/1 to 3 #22
2 #16 w/1 #18
1 to 2 #16 w/1 #20 w/1 #22
1 #16 w/1 #18 w/1 #22
1 #18 w/2 to 4 #20
1 #18 w/ 3 to 4 #22
1 to 2 #18 w/1 #20 w/1 #22
2 #18 w/1 to 2 #20 or #22
3 #18 w/1 #20 or #22
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 2
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
IDEAL Wire-Nut® Wire Connectors
Model
300 Volt Maximum
600 Volt Maximum
74B®
Strip #16
and
smaller
7/16”
(11,5mm);
all others
3/8”
(9,5mm)
1 #10 w/2 #12
1 #8
1 #10
1 to 3 #12
1 to 4 #14
2 to 5 #16
2 to 5 #18
3 to 6 #20
1 #10 w/1 #12
1 #10 w/1 to 2 #14, #16 or #18
1 #10 w/3 to 4 #16 or #18
1 #10 w/1 #12 w/1 #14 or #16
1 #10 w/1 #12 w/1 or 2 #18
1 #10 w/1 #14 w/2 #16
1 #10 w/1 #14 w/1 to 3 #18
1 #10 w/2 #14 w/1 #16
1 #10 w/1 #16 w/1 or 2 #18
1 #12 w/1 to 3 #14, #16 or #18
1 #12 w/4 #16 or #18
1 #12 w/1 #14 w/3 #16
1 #12 w/2 #14 w/2 #16
2 #12 w/1 to 2 #14
2 #12 w/1 to 2 #16 or #18
2 #12 w/1 #14 w/1 #16 or #18
2 #12 w/1 #16 w/1 to 2 #18
1 #14 w/1 to 4 #16, #18 or #20
1 #14 w/1 #16 w/1 to 3 #20
1 #14 w/1 #18 w/1 to 3 #20
2 #14 w/1 to 3 #16, #18 or #20
2 #14 w/1 #16 w/1 to 2 #18 or
#20
2 #14 w/1 #16 w/1 to 3 #22
3 #14 w/1 #16 w/1 #18, #20 or
#22
3 #14 w/1 #18 w/1 #20 or #22
3 #14 w/1 to 2 #16
3 #14 w/1 to 2 #18 or #20
4 #14 w/1 #16 or #18
1 #16 w/1 #18 w/2 to 3 #20 or
#22
1 #16 w/1 #18 w/3 to 4 #22
1 #16 w/2 #20 w/2 #22
1 #16 w/1 to 4 #18, #20 or #22
2 #16 w/1 to 3 #18, #20 or #22
2 #16 w/1 #18 w/1 to 2 #20 or
#22
3 #16 w/1 to 2 #18, #20 or #22
3 #16 w/1 #18 w/1 #20 or #22
4 #16 w/1 to 2 #18, #20 or #22
1 #18 w/3 to 4 #20 or #22
1 #18 w/2 #20 w/3 #22
2 #18 w/3 #20 or #22
2 #18 w/1 #20 w/3 #22
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 3
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
IDEAL Wire-Nut® Wire Connectors
Model
300 Volt Maximum
600 Volt Maximum
76B®
Strip
wires #16
and
smaller
1/2"
(13mm);
all others
7/16”
(11,5mm)
2 #8 str.
3 #10
5 #12
1 #6 w/1 to 2 #16
1 #6 w/1 #14
1 #6 w/1 #12
1 #6 w/1 #14 w/1 to 4 #22
1 #6 w/1 #14 w/1 to 2 #18
1 #6 w/1 #14 w/1 #16
1 #8 w/4 #16
1 #8 w/3 #14
1 #8 w/2 #12
1 #8 w/1 #10
1 #8 w/1 #14 w/4 #18
1 #8 w/1 #14 w/3 to 4 #16
1 #8 w/1 #12 w/1 to 4 #16 or #18
1 #8 w/1 #12 w/1 to 2 #14
1 #8 w/2 #12 w/1 to 2 #18
1 #8 w/2 #12 w/1 #14 to #16
1 #8 w/1 #10 w/1 #12 to #14
1 #10 w/4 #14
1 #10 w/3 #12
1 #10 w/2 #14 w/3 #16
1 #10 w/1 #12 w/4 #16
1 #10 w/1 #12 w/3 to 4 #14
1 #10 w/2 #12 w/2 to 3 #16 or #18
1 #10 w/2 #12 w/1 to 2 #14
2 #10 w/3 #16
2 #10 w/2 to 3 #14
2 #10 w/1 to 2 #12
2 #10 w/1 #16 w/2 to 3 #18
2 #10 w/1 #14 w/2 to 3 #20 or #22
2 #10 w/1 #14 w/1 to 3 #18
2 #10 w/2 #14 w/1 #16
2 #10 w/1 #12 w1 to 3 #18
2 #10 w/1 #12 w/1 to 2 #16
3 #10 w/1 #16 or #18
2 #12 w/1 #14 w/3 #16
2 #12 w/2 #14 w/2 #16
3 #12 w/2 #14
3 #12 w/3 #16
3 #12 w/1 #16 w/2 #18
3 #12 w/1 #14 w/1 to 2 #16
3 #12 w/1 #14 w/1 #18
3 #12 w/2 #14 w/1 #16
4 #12 w/1 #14, #16, #18, #20 or
#22
1 #6 or #8
1 to 2 #10
1 to 4 #12
2 to 5 #14
4 to 6 #16
1 #8 w/1 to 3 #16
1 #8 w/1 to 2 #14
1 #8 w/1 #12
1 #8 w/1 #14 w/1 to 4 #20
1 #8 w/1 to 4 #18, #20 or #22
1 #8 w/1 #14 w/1 to 2 #16
1 #8 w/1 #12 w/1 #16 or #18
1 #10 w/1 to 4 #16, #18, #20 or
#22
1 #10 w/5 #16
1 #10 w/1 to 3 #14
1 #10 w/1 to 2 #12
1 #10 w/1 to 2 #20 w/1 to 3 #22
1 #10 w/1 #18 w/1 to 4 #20 or #22
1 #10 w/1 #16 w/1 to 4 #20 or 22
1 #10 w/1 #16 w/1 to 4 #18
1 #10 w/1 #14 w/1 to 4 #18, #20 or
#22
1 #10 w/1 #14 w/1 to 4 #16
1 #10 w/2 #14 w/1 to 2 #16
1 #10 w/1 #12 w/1 to 4 #18
1 #10 w/1 #12 w/1 to 3 #16
1 #10 w/1 #12 w/1 to 2 #14
1 #10 w/2 #12 w/1 #16 or #18
2 #10 w/1 to 3 #18
2 #10 w/2 #16
2 #10 w/1 #14
2 #10 w/1 #16 w/1 #18
2 #10 w/1 #14 w/1 #20 or #22
1 #12 w/3 to 4 #22
1 #12 w/2 to 4 #18 or #20
1 #12 w/1 to 4 #14 or #16
1 #12 w/1 #20 w/2 to 4 #22
1 #12 w/2 #20 w/1 to 3 #22
1 #12 w/ #18 w/1 to 4 #20 or #22
1 #12 w/1 #16 w/1 to 4 #20 or #22
1 #12 w/1 #16 w/1 to 4 #18
1 #12 w/1 #14 w/1 to4 #16, #18,
#20 or #22
1 #12 w/2 #14 w/1 to 3 #16
2 #12 w/2 #14 w/1 #16
2 #12 w/1 to 3 #14
2 #12 w/1 #14 w/1 to 3 #20 or #22
2 #12 w/1 to 3 #20 or #22
2 #12 w/1 to 2 #16 or #18
2 #12 w/1 to 2 #20 w/1 to 2 #22
2 #12 w/1 #18 w/1 to 3 #20 or #22
2 #12 w/1 #16 w/1 to 3 #20 or #22
2 #12 w/1 #16 w/1 to 3 #18
2 #12 w/1 #14 w/1 to 3 #18 or #16
3 #12 w/1 #18 w/1 to 2 #22 or #22
3 #12 w/1 #16 w/1 to 2 #22 or #20
#22
3 #12 w/1 #16 w/1 to 2 #18
3 #12 w/1 #14
3 #12 w/1 #14 w/1 #20
3 #12 w/1 #14 w/1 to 2 #22
3 #12 w/1 #14 w/1 #18
3 #12 w/1 to 2 #20 or #22
3 #12 w/1 to 3 #18
3 #12 w/1 to 2 #16
3 #12 w/1 #20 w/1 to 2 #22
3 #12 w/2 #20 w/1 #22
1 #14 w/3 to 4 #18
1 #14 w/2 #20 w/3 #22
1 #14 w/1 #18 w/4 #22
1 #14 w/1 #18 w/3 to 4 #20
1 #14 w/1 #16 w/2 to 4 #20
1 to 2 #14 w/1 #16 w/1 to 3 #18
2 #14 w/2 to 4 #16
2 #14 w/1 to 2 #20 w/1 to 2 #22
2 #14 w/1 #18 w/1 to 3 #20 or #22
2 #14 w/1 #16 w/1 to 3 #20 or #22
3 #14 w/1 to 2 #16, #18, #20 or
3 #14 w/1 #16 w/1 to 2 #18
3 #14 w/1 #18 w/1 to 2 #20 or #22
4 #14 w/1 #18, #20 or #22
4 #14 w/2 #18
4 #14 w/1 #16
5 #14 w/1 #18
1 #16 w/4 #18
2 #16 w/3 #20
2 #16 w/3 to 4 #18
2 #16 w/1 #20 w/3 #22
2 #16 w/2 #20 w/2 #22
2 #16 w/1 #18 w/3 #22
2 #16 w/1 #18 w/2 to 3 #20
3 #16 w/1 to 2 #18, #20 or #22
3 #16 w/1 to 2 #20 w/1 #22
3 #16 w/1 #18 w/1 to 2 #20 or #22
4 #16 w/1 to 2 #22
4 #16 w/1 #18 or #20
4 to 5 #16 w/1 #22
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 4
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
IDEAL Wire-Nut® Connectors
Model
600 Volt Maximum
59B®
Strip
wires
1/2"
(13mm)
1 #12
1 to 3 #14
2 to 4 #16
2 to 6 #18
2 to 6 #20
4 to 6 #22
1 #12 w/1 to 3 #18
1 #12 w/1 to 2 #16
1 #12 w/1 #14
1 #14 w/1 to 5 #18, #20 or #22
1 #14 w/1 to 3 #16
1 #14 w/1 #20 w/1 to 2 #22
1 #14 w/1 #18 w/1 to 2 #22
1 #14 w/1 #16 w/1 #20 or #22
2 #14 w/1 to 4 #20 or #22
2 #14 w/1 to 2 #18
2 #14 w/1 #16
2 #14 w/1 #20 w/1 to 2 #22
2 #14 w/1 #18 w/1 to 2 #22
2 #14 w/1 #16 w/1 #20 or #22
1 #16 Stranded OR 1 #18 Str.
1 #16 w/1 to 5 #18, #20 or #22
1 #16 w/1 #20 w/1 to 2 #22
1 #16 w/1 #18 w/1 to 2 #22
2 #16 w/1 to 4 #18, #20 or #22
2 #16 w/1 #20 w/1 to 2 #22
2 #16 w/1 #18 w/1 to 2 #22
3 #16 w/1 to 3 #20 or #22
3 #16 w/1 to 2 #18
3 #16 w/1 #20 w/1 to 2 #22
3 #16 w/1 #18 w/1 to 2 #22
4 #16 w/1 to 2 #22
4 #16 w/1 #18 or #20
4 #16 w/1 #20 w/1 #22
1 #18 w/1 to 4 #20 or #22
1 #18 w/1 #20 w/1 to 2 #22
2 #18 w/1 to 4 #20 or #22
2 #18 w/1 #20 w/1 to 2 #22
3 #18 w/1 to 3 #20 or #22
3 #18 w/1 #20 w/1 to 2 #22
4 #18 w/1 to 2 #22 or #20
4 #18 w/1 #20
5 #18 w/1 #20 w/1 #22
1 #20 w/2 to 5 #22
2 #20 w/1 to 4 #22
3 #20 w/1 to 3 #22
4 #20 w/1 to 2 #22
5 #20 w/1 #22
IDEAL Wing-Nut® Wire Connectors
Model
600 Volt Maximum
451®
Strip
wires
3/8”
(9,5mm)
1 #10
1 to 3 #12
1 to 3 #14
2 to 4 #16
2 to 4 #18
1 #10 w/1 #12
1 #10 w/1 to 2 #14
1 #10 w/1 to 2 #16
1 #10 w/1 to 3 #18
1 #12 w/1 to 5 #18
1 #12 w/1 to 3 #16
1 #12 w/1 to 2 #14
2 #12 w/1 to 2 #18
2 #12 w/1 #16
2 #12 w/1 #14
1 #14 w/1 to 5 #18
1 #14 w/1 to 4 #16
2 #14 w/1 to 3 #18
2 #14 w/1 to 3 #16
3 #14 w/1 #16
3 #14 w/1 to 2 #18
1 #16 w/1 to 5 #18
2 #16 w/1 to 4 #18
3 #16 w/1 to 3 #18
4 #16 w/1 to 2 #18
Model
600 Volt Maximum
452® &
344®
Twister®
Strip
wires
1/2”
(13mm)
1 #6
1 to 2 #8
1 to 4 #10
1 to 5 #12
1 to 6 #14, #16
2 to 6 #18
3 to 6 #20
4 to 6 #22
1 #6 w/1 to 2 #12
1 #6 w/1 #10
1 #6 w/2 #14 w/1 to 2 #16
1 #6 w/1 #12 w/1 to 2 #14
1 #6 w/2 #12 w/1 #18
1 #6 w/1#10 w/ 1 #14
1 #8 w/1 to 5 #16
1 #8 w/1 to 4 #14
1 #8 w/1 to 3 #12
1 #8 w/2 #12 w/1 to 2 #14
1 #8 w/1 to 2 #10
1 #8 w/1 #10 w/1 to 2 #14, #12
1 #8 w/2 #10 w/1 #14
1 #10 w/1 to 5 #18, #16 or #14
1 #10 w/1 or 4 #12
1 #10 w/1 #16 w/1 to 4 #18
1 #10 w/1 #14 w/1 to 4 #16 or
#18
1 #10 w/2 #14 w/1 to 3 #16
1 #10 w/1 #12 w/1 to 4 #14
1 #10 w/1 #12 w/1 to 4 #16 or
#18
1 #10 w/2 #12 w/1 to 3 #16
1 #10 w/2 #12 w/1 to 3 #18
1 #10 w/2 #12 w/1 to 2 #14
1 #10 w/3 #12 w/1 #14
2 #10 w/1 to 4 #18 or #16
2 #10 w/1 to 3 #14 or #12
2 #10 w/1 #16 w/1 to 3 #18
2 #10 w/2 #14 w/1 to 2 #16
2 #10 w/1 #12 w/1 to 3 #16
2 #10 w/1 #12 w/1 to 2 #14
2 #10 w/2 #12 w/1 to 2 #18
2 #10 w/2 #12 w/1 to 2 #16
2 #10 w/2 #12 w/1 #14
3 #10 w/1 to 3 #18 3 #10 w/1
to 3 #16
3 #10 w/1 to 2 #14
3 #10 w/1 #12
3 #10 w/1 #16 w/1 to 2 #18
3 #10 w/1 #14 w/1 to 2 #18
3 #10 w/1 #14 w/1 #16
3 #10 w/1 #12 w/1 #18
3 #10 w/1 #12 w/1 #16
1 #12 w/1 to 5 #18, #16 or #14
1 #12 w/1 #16 w/1 to 3 #18
1 #12 w/1 #14 w/1 to 3 #18
1 to 2 #12 w/1 #14 w/1 to 3 #16
1 #12 w/2 #14 w/1 to 2 #16
2 #12 w/1 #14 w/1 to 3 #18
2 #12 w/1 #16 w/1 to 3 #18
2 #12 w/2 #14 w/1 to 2 #16
2 #12 w/1 to 4 #18, #16 or #14
3 #12 w/1 to 3 #18, #16 or #14
3 #12 w/1 #16 w/1 to 2 #18
3 #12 w/1 #14 w/1 to 2 #18
3 #12 w/1 #14 w/1 to 2 #16
3 #12 w/1 #14 w/ 1 #16
4 #12 w/1 to 2 #16
4 #12 w/1 #14
4 #12 w/1 #16 w/1 #18
4 #12 w/1 #14 w/1 #18 or #16
1 #14 w/1 to 5 #22 or #20
1 #14 w/1 to 5 #18 or #16
1 #14 w/1 #16 w/1 to 3 #18
2 #14 w/1 #16 w/1 to 3 #18
2 #14 w/1 to 4 #22 or #20
2 #14 w/1 to 4 #18 or #16
3 #14 w/1 to 3 #22 or #20
3 #14 w/1 to 3 #18 or #16
3 #14 w/1 #16 w/1 to 2 #18
4 #14 w/1 to 2 #22
4 #14 w/1 to 2 #20, #18 or #16
4 #14 w/1 #16 w/1 #18
5 #14 w/1 #18 or #16
1 #16 w/1 to 5 #22, #20 or #18
1 #16 w/1 #20 w/1 to 2 #22
1 #16 w/2 #20 w/1 to 2 #22
1 #16 w/1 #18 w/1 to 3 #22
1 #16 w/1 #18 w/1 to 3 #20
2 #16 w/1 #20 w/1 to 2 #22
2 #16 w/2 #20 w/1 to 2 #22
2 #16 w/1 #18 w/1 to 3 #22
2 #16 w/1 #18 w/1 to 3 #20
2 #16 w/1 to 4 #22, #22 or #18
3 #16 w/1 to 3 #22, #20 or #18
3 #16 w/1 to 2#22 w/ 1#20
3 #16 w/1 #18 w/1 to 2 #22
3 #16 w/1 #18 w/1 to 2 #20
4 #16 w/1 to 2 #22, #20 or #18
4 #16 w/1 #22 w/ 1#20
4 #16 w/1 #18 w/1 1#22
4 #16 w/1 #18 w/1 1#20
5 #16 w/1 #22, #20 or #18
1 #18 w/1 to 5 #22 or #20
1 #20 w/1#22 w/ 1 to3 #18
1 #20 w/2#22 w/ 1 to3 #18
2 #20 w/1#22 w/ 1 to3 #18
2 #18 w/1 to 4 #22, #20
3 #18 w/1 to 3 #22 or #20
4 #18 w/1 to 2 #22 or #20
5 #18 w/1 #22 or #20
1 #20 w/2 to 5 #22
2 #20 w/1 to 4 #22
3 #20 w/1 to 3 #22
4 #20 w/1 to 2 #22
5 #20 w/1 #22
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 5
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
IDEAL Wing-Nut® Wire Connectors
Model
600 Volt Maximum
454®
Strip
wires
7/8”
1 to 2 #6
2 to 3 #8
2 to 5 #10
3 to 6 #12
5 or 6 #14
1 #8 w/1 to 5 #14 or #12
1 #8 w/1 to 4 #10
1 #10 w/3 to 5 #14
1 #12 w/4 to 5 #14
2 #12 w/2 to 4 #14
3 #12 w/1 to 3 #14
4 #12 w/1 #14
1 #6 w/1 to 4 #14
1 #6 w/1 to 5 #12
1 #6 w/1 to 3 #10
1 #6 w/1 to 2 #8
2 #6 w/1 #14 or #12
1 #6 w/1 #12 w/1 to 4 #14
1 #6 w/2 #12 w/1 to 3 #14
1 #6 w/3 #12 w/1 to 2 #14
1 #6 w/4 #12 w/1 #14
1 #6 w/1 #10 w/1 to 4 #14
1 #6 w/1 #10 w/1 to 3 #12
1 #6 w/2 #10 w/1 to 2 #14
1 #6 w/2 #10 w/1 #12
1 #6 w/1 #8 w/1 to 3 #14
1 #6 w/1 #8 w/1 to 2 #12
1 #6 w/1 #8 w/1 #10
2 #8 w/1 to 4 #14
2 #8 w/1 to 3 #12
2 #8 w/1 to 2 #10
3 #8 w/1 to 2 #14
1 #8 w/1 #12 w/1 to 4 #14
1 #8 w/2 #12 w/1 to 3 #14
1 #8 w/3 #12 w/1 to 2 #14
1 #8 w/4 #12 w/1 #14
1 #8 w/1 #10 w/1 to 4 #14
1 #8 w/1 #10 w/1 to 4 #12
1 #8 w/2 #10 w/1 to 3 #14
1 #8 w/2 #10 w/1 to 3 #12
1 #8 w/3 #10 w/1 to 2 #14
1 #8 w/3 #10 w/1 #12
2 #8 w/1 #12 w/1 to 3 #14
2 #8 w/2 #12 w/1 to 2 #14
2 #8 w/3 #12 w/1 #14
2 #8 w/1 #10 w/1 to 3 #14
2 #8 w/1 #10 w/1 to 2 #12
2 #8 w/2 #10 w/1 #14 sol
1 #10 w/1 #12 w/1 to 4 #14
1 #10 w/2 #12 w/1 to 3 #14
1 #10 w/3 #12 w/1 to 2 #14
1 #10 w/4 #12 w/1 #14
1 #10 w/2 to 4 #12
2 #10 w/1 #12 w/1 to 3 #14
2 #10 w/2 #12 w/1 to 2 #14
2 #10 w/3 #12 w/1 #14
2 #10 w/1 to 4 #14 or #12
3 #10 w/1 #12 w/1 to 2 #14
3 #10 w/2 #12 w/1 #14
3 #10 w/1 to 3 #14
3 #10 w/1 to 3 #12
4 #10 w/1 #14 w/1 #12
IDEAL Greenie® Grounding Wire Connectors
Model
600 Volt Maximum
92®
Strip
wires 1”
2 to 4 #12
2 to 4 #14
1 #10 w/1 or 2 #12
1 #10 w/1 to 3 #14
1 to 2 #12 w/1 to 3 #14
3 #12 w/1 #14
IDEAL Twister® Wire Connectors
Model
600 Volt Maximum
340®
Strip
wires
#22 - #18
3/8”;
Strip
wires
#16 - #10
7/16”
2 to 5 #22
2 to 5 #20
2 to 5 #18
2 to 4 #16
1 to 3 #14 or #12
1 #10
3 #20 w/1 to 2 #22
4 #20 w/1 #22
1 #18 w/1 to 4 #20 or #22
2 #18 w/1 to 3 #20 or #22
3 #18 w/1 to 2 #20 or #22
4 #18 w/1 #20 or #22
1 #16 w/1 to 4 #20 or #22
1 #16 w/1 to 5 #18
2 #16 w/1 to 3 #22 or #20
2 #16 w/1 to 4 #18
3 #16 w/1 to 3 #18, #20 or #22
4 #16 w/1 #20 or #22
4 #16 w/1 to 2 #18
1 #14 w/1 to 4 #22
1 #14 w/1 to 3 #20
1 #14 w/1 to 5 #18
1 #14 w/1 to 4 #16
2 #14 w/1 to 3 #16, #18, #20,
or #22
3 #14 w/1 to 2 #18
3 #14 w/1 #16
1 #12 w/1 to 5 #18
1 #12 w/1 to 3 #16
1 #12 w/1 to 2 #14
2 #12 w/1 to 2 #18
2 #12 w/1 #14 or #16
1 #10 w/1 to 3 #18
1 #10 w/1 to 2 #14 or #16
1 #10 w/1 #12
341®
Strip
wires ½”
1 to 3 #10
1 to 3 #12
4 #12 sol
1 to 5 #14
1 to 6 #16
2 to 6 #18
2 to 6 #20
1 #10 w/1 #8
1 #12 w/1 to 2 #10
1 #12 w/1 #8
2 #12 w/1 #10
1 #14 sol w/1 to 3 #12
1 #14 w/1 to 2 #10
2 #14 w/1 to 2 #12 or #10
2 #14 w/1 #8
3 #14 w/1 #12 or #10
3 #14 w/2 #12
4 #14 w/1 #12 or #10
1 #16 w/1 to 4 #14 or #12
1 #16 w/1 to 2 #10
2 #16 w/1 to 4 #14
2 #16 w/1 to 3 #12
2 #16 w/1 to 2 #10
3 #16 w/1 to 3 #14
3 #16 w/1 to 2 #12 or #10
4 #16 w/1 to 2 #14 or #12
4 #16 w/1 #10
5 #16 w/1 #14
2 #18 w/1 to 4 #16 or #14
3 #18 w/1 to 3 #12
2 #18 w/1 to 2 #10
3 #18 w/1 to 3 #16, #14 or #12
3 #18 w/1 to 2 #10
4 #18 w/1 to 2 #16, #14 or #12
4 #18 w/1 #10
5 #18 w/1 #16 or #14
1 #20 w/1 to 4 #18, #16 or #14
2 #20 w/1 to 3 #18, #16 or #14
3 #20 w/1 to 2 #18, #16 or #14
4 #20 w/1 to 2 #18, #16 or #14
3 to 6 #22
1 #22 sol w/1 #20 sol
1 #22 w/2 to 5 #20
1 #22 w/1 to 5 #18 or #16
2 #22 w/1 to 4 #20, #18 or #16
3 #22 w/1 to 3 #20, #18 or
#164 #22 w/1 to 2 #20, #18 or
#16
1 #22 w/1 #18 w/1 #16
1 #22 w/1 #20 w/1 to 2 #16
1 #14 w/1 to 2 #12 w/1 #10
2 #14 w/1 #12 w/1 #10
1 #16 w/1 #12 w/1 #10
2 #16 w/1 #14 w/1 to 2 #12
2 #16 w/2 #14 w/1 #12
2 #16 w/1 #12 w/1 #10
3 #16 w/1 #14 w/1 #12 or #10
4 #16 w/1 #12 w/1 #10
1 #18 w/1 to 4 #16, #14 or #12
5 #16 sol w/1 #10 sol
1 #16 w/1 to 2 #14 w/1 #12 or
#10
1 #18 w/1 to 2 #10
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 6
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
IDEAL Twister® Wire Connectors
Model
600 Volt Maximum
342®
Strip
wires
5/8”
1 to 2 #8
2 to 4 #10
2 to 6 #12
3 to 6 #14
1 #8 w/1 #6
1 #10 w/1 to 2 #8
2 #10 w/1 #8
1 #12 w/1 to 2 #10
1 #12 w/3 #10
1 #12 w/1 to 2 #8
1 to 2 #12 w/1 #6
2 #12 w/1 to 2 #10
2 #12 w/1 #8 or #6
2 #12 w/2 #8
3 #12 w/1 #10 or #8
3 #12 w/2 #10
4 #12 w/1 #10
1 #14 w/1 to 4 #12
1 #14 w/1 to 3 #10
1 #14 w/1 to 2 #8
1 to 2 #14 w/1 #6
2 #14 w/1 to 3 #12
2 #14 w/1 to 3 #10
2 #14 w/1 #8
3 #14 w/1 to 3 #12 or #10
3 or 4 #14 w/1 #8
3 #14 w/1 #6
4 #14 w/1 to 2 #12 or #10
4 #14 w/1 #6
5 #14 w/1 #12 or #10
5 #14 w/1 #8
1 #16 w/2 to 5 #14 or #12
1 #16 w/1 to 3 #10
2 #16 w/1 to 4 #14 or #12
2 #16 w/1 to 2 #10
3 #16 w/1 to 3 #14
3 #16 w/1 to 2 #12 or #10
4 #16 w/1 to 2 #14 or #12
4 #16 w/1 #10
3 #18 w/3 #16 or #14
3 #18 w/1 to 2 #12 or #10
4 #18 w/1 to 2 #16, #14 or #12
5 #18 w/1 #16, #14, #12 or #10
1 #12 w/1 #10 w/1 #8
1 #14 w/1 #12 w/1 to 2 #10
1 #14 w/1 #12 w/1 #8 or #6
1 #14 w/2 #12 w/1 to 2 #10
1 #14 w/2 #12 w/1 #8
1 #14 w/3 #12 w/1 #10
1 #14 w/1 #10 w/1 #8
2 #14 w/1 #12 w/1 to 2 #10
2 #14 w/1 #12 w/1 #8
2 #14 w/2 #12 w/1 #10
2 #14 w/1 #10 w/1 #8
3 #14 w/1 #10 w/1 #8
1 #16 w/1 #14 w/1 to 2 #12
2 #16 w/1 #14 w/1 to 2 #12
2 #16 w/2 #14 w/1 #12 or #10
2 #16 w/1 #12 w/1 #10
3 #16 w/1 #14 w/1 to 2 #12
3 #16 w/1 #14 w/1 #10
4 #16 w/1 #14 w/1 #12
IDEAL WeatherProof™ Wire Connectors
Model
600 Volt Maximum
61®
Strip
wires
3/8”;
Strip
wires #18
and
smaller
7/16”
1 to 2 #14
1 #16 Str
2 #16
1 to 4 # 18 Str
2 to 4 #18 Sol
2 to 4 #20
1 #14 w/1 #16
1 #14 w/ 1 #16 w/ 1 #18
1 #14 w/1 to 2 #18
1 #14 w/1 to 3 #20
1 #14 w/ 1 to 3 #22
2 #16 w/ 1 #18
2 #16 w/1 to #22
2 #16 w/1 to 2 #20
1 #16 w/1 to 2 #18
1 #16 w/1 to 3 #22 or #20
3 #18 w/1 #22 or #20
2 #18 w/1 to 2 #22 or #20
1 #18 w/2 to 4 #20
1 #18 w/3 to 4 #22
1 to 2 #16 w/1 #20 w/1 #22
1 to 2 #18 w/1 #20 w/1 #22
Model
600 Volt Maximum
62®
Strip
wires
1/2”
1 to 2 #10
1 to 3 #12
1 to 5 #14
1 to 6 #16
3 to 6 #18
1 #18 w/2 to 3 #16
1 #18 w/1 to 3 #14 or #12
1 #18 w/1 to 2 #10
2 #18 w/1 to 3 #16, #14, or #12
2 #18 w/1 to 2 #10
3 #18 w/1 to 2 #16, #14, #12,
or #10
4 #18 with 1 to 2 #16 or #14
2 #16 with 1 #10
3 #16 w/1 to 2 #14 or #12
3 #16 w/1 #10
4 #16 w/1 #14 or #12
1 #14 w/1 to 2 #12 or #10
1 #14 w/1 #8 Str
2 #14 w/1 #12 or #10
2 #14 w/1 #8 Str or #10
3 #14 w/1 #10
3 #14 w/1 to 2 #12
1 #12 Sol w/1 #10 Sol
2 #12 w/1 #10
1 #16 w/1 to 2 #14 with 1 #12
Model
600 Volt Maximum
63®
Strip
wires
5/8”
1 to 2 #8
2 to 5 #10
2 to 6 #12
3 to 6 #14
1 #16 w/2 to 5 #14 or #12
1 #16 w/1 to 3 #10
1 #14 w/1 to 4 #12
1 #14 w/1 to 3 #10
1 #14 w/1 to 2 #8
1 #12 w/1 to 2 #10 or #8
1 to 2 #12 w/1 #6
3 #12 w/1 #10 or #8
1 #10 w/1 to 2 #8
1 #8 w/1 #6
IDEAL UnderGround™ Wire Connectors
Model
600 Volt Maximum
60®
Strip
wires
1/2”
2 #10
1 to 3 #12
1 to 4 #14
2 #16 or #18
1 #12 w/1 #8 or #10
2 #12 w/1 #10
1 #14 sol w/1 to 2 #12
1 #14 w/1 to 2 #10
2 #14 w/1 #10 or #12
3 #14 w/1 #12
1 #16 w/2 #10
1 #16 w/1 to 3 #12 or #14
1 #16 w/1 #10 or #12 and 1 to
2 #14
2 #16 w/1 to 2 #12
2 #16 w/1 #12 w/1 #14
2 #16 w/1 to 2 #14
2 #16 w/1 #10
3 #16 w/1 to 2 #14
3 #16 w/1 #12
1 #18 w/1 to 3 #12, #14 or #16
2 #18 w/1 to 2 #10 or #12
2 #18 w/1 to 2 #14 or #16
3 #18 w/1 to 2 #14 or #16
1 #20 w/1 to 4 #16 or #18
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 7
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
IDEAL UnderGround™ Wire Connectors
Model
600 Volt Maximum
64®
Strip
wires
5/8”
1 to 3 #10 or #12
2 to 4 #14, #16 or #18
3 or 4 #20 solid or 22 solid
1 #18 with 1 to 4 #16, #14 or
#12
1 #16 with 1 to 4 #14 or #12
1 #14 with 1 to 2 #12 or #10
2 #14 with 1 #12 or #10
2 #12 with 1 #10
1 #8 with 1 #12 or #10
Model
600 Volt Maximum
66®
Strip
wires 1”
1 or 2 #6
2 or 3 #8
2 to 5 #10
3 to 6 #12
1 #6 w/1 to 2 #8
1 #6 w/1 to 3 #10
1 #6 w/1 to 5 #12
1 #6 w/1 to 4 #14
2 #6 w/1 #10 or #12
2 #6 w/1 to 2 #14
1 #8 w/1 to 4 #10
1 #8 w/1 to 5 #12 or #14
2 #8 w/1 to 2 #10
2 #8 w/1 to 3 #12
2 #8 w/1 to 4 #14
3 #8 w/1 to 2 #14
1 #10 w/2 to 4 #12
1 #10 w/3 to 5 #14
2 #10 w/1 to 4 #12 or #14
3 #10 w/1 to 3 #12 or #14
4 #10 w/1 to 2 #12 or #14
1 #12 w/4 to 5 #14
2 #12 w/2 to 4 #14
3 #12 w/1 to 3 #14
4 #12 w/1 #14
IDEAL Twister® AL/CU Wire Connectors
Model
600 Volt Maximum
65®
Strip
wires
1/2”
(13mm)
Copper-to-Copper only combinations
Copper-to-Aluminum
combinations. Not for use on
Aluminum-to-Aluminum
conductors.
1 to 3 #10
4 #12 sol
1 to 3 #12
1 to 5 #14
1 to 6 #16
2 to 6 #18
3 to 6 #20
4 to 6 #22
2 #22 w/3 to 5 #20
1 #22 w/1 to 5 #18, #16
2 #22 w/1 to 4 #20, #18, #16
3 #22 w/1 to 3 #20, #18, #16
4 #22 w/1 to 2 #20, #18, #16
1 #20 w/1 to 4 #18, #16, #14
2 #20 w/1 to 3 #18, #16, #14
3 #20 w/1 to 2 #18, #16, #14
4 #20 w/1 to 2 #18, #16, #14
1 #18 w/1 to 4 #16, #14, #12
1 #18 w/1 to 2 #10
2 #18 w/1 to 4 #16, #14, #12
2 to 3 #18 w/1 to 2 #10
4 #18 w/1 to 2 #16, #14, #12
4 #18 w/1 #10
5 #18 w/1 #16 or #14
1 #16 w/1 to 4 #14, #12
1 #16 w/1 to 2 #10
2 #16 w/1 to 4 #14 3 #16 w/1
to 3 #14
3 #16 w/1 to 2 #12, #10
4 #16 w/1 to 2 #14, #12
4 #16 w/1 #10
5 #16 w/1 #14
5 #16 sol w/1 #10 sol
1 #14 sol w/1 to 3 #12
1 to 2 #14 w/1 to 2 #10
2 #14 w/1 to 2 #10
2 #14 w/1 #8
3 #14 w/1 #12 or #10
3 #14 w/2 #12
4 #14 w/1 #12 or #10
1 #12 w/1 to 2 #10
1 #12 w/1 #8
2 #12 w/1 #10
1 #10 w/1 #8
1 #22 w/1 #18 w/1 #16
1 #22 w/1 #20 w/1 to 2 #16
1 #16 w/1 to 2 #14 w/1 #12 or
#10
1 #16 w/1 #12 w/1 #10
2 #16 w/1 #14 #w/1 to 2 #12
2 #16 w/2 #14 w/1 #12
2 #16 w/1 #12 w/1 #10
3 #16 w/1 #14 w/1 #12 or #10
4 #16 w/1 #12 w/1 #10
1 #14 w/1 to 2 #12 w/1 #10
2 #14 w/1 #12 w/1 #10
1 #10 AL sol. w/1 to 2 #10 CU
sol.
1 #10 AL w/1 to 2 #12 CU
1 #10 AL w/1 to 2 #14 CU
1 #10 AL w/1 to 2 #16 CU
1 #10 AL w/1 to 2 #18 CU
2 #10 AL sol. w/1 #12 CU
2 #10 AL sol. w/1 #14 CU
2 #10 AL sol. w/1 #16 CU
2 #10 AL sol. w/1 #18 CU
1 #12 AL sol. w/1 to 2 #10 CU
1 #12 AL str. w/1 to 2 #10 CU
sol.
1 #12 AL w/1 to 2 #12 CU
1 #12 AL w/1 to 2 #14 CU
1 #12 AL w/1 to 2 #16 CU
1 #12 AL w/1 to 2 #18 CU
2 #12 AL sol. w/1 #10 CU
2 #12 AL sol. w/1 #12 CU
2 #12 AL sol. w/1 #14 CU
2 #12 AL sol. w/1 #16 CU
2 #12 AL sol. w/1 #18 CU
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 8
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
Buchanan B-CAP® Wire Connectors
Model
600 Volt Maximum
B1
Strip
wires
1/2”;
Strip
wires #16
and
smaller
5/8”
2 to 3 #12
2 to 4 #14
2 to 5 #16
2 to 6 #18
3 to 6 #20
4 to 6 #22
#20 w/#22 3 to 6*
#18 w/#22 3 to 6*
#18 w/#20 3 to 6*
#16 w/#22 2 to 6*
#16 w/#20 2 to 6*
#16 w/#18 2 to 5*
#14 w/#22 2 to 4*
#14 w/#20 2 to 4*
#14 w/#18 2 to 4*
#14 w/#16 2 to 4*
#12 w/#22 2 to 3*
#12 w/#20 2 to 3*
#12 w/#18 2 to 3*
#12 w/#16 2 to 3*
#12 w/#14 2 to 3*
1 #10 w/1 #12
1 #10 w/1 to 2 #14
1 #10 w/1 to 2 #16
1 #10 w/1 to 3 #18
Model
600 Volt Maximum
B2
Strip
wires
1/2”;
Strip
wires #16
and
smaller
5/8”
2 #10 stranded
2 to 3 #10 solid
2 to 4 #12 stranded
2 to 5 #12 solid
2 to 5 #14 stranded
2 to 6 #14 solid
2 to 5 #16 stranded
2 to 6 #16 solid
2 to 5 #18 stranded
2 to 6 #18 solid
3 to 6 #20
5 to 6 #22
#20 w/#22 4 to 6*
#18 w/#22 3 to 6*
#18 w/#20 3 to 6*
#16 w/#22 3 to 6*
#16 w/#20 2 to 6*
#16 w/#18 2 to 6*
#14 w/#22 2 to 6*
#14 w/#20 2 to 6*
#14 w/#18 2 to 6*
#14 w/#16 2 to 6*
#12 w/#22 2 to 6*
#12 w/#20 2 to 6*
#12 w/#18 2 to 5*
#12 w/#16 2 to 5*
#12 w/#14 2 to 5*
1 #10 w/1 to 4 #18
2 #10 w/1 to 3 #18
1 #10 w/1 to 4 #16
2 #10 w/1 to 3 #16 1 #10 w/1
to 4 #14
2 #10 w/1 to 2 #14
1 #10 w/1 to 3 #12
2 #10 w/1 #12
1 #8 stranded w/1 #14
stranded
1 #8 stranded w/1 #12
stranded
1 #8 stranded w/1 #10
stranded
1 #12 w/1 #14 w/1 to 4 #16
1 #12 w/2 #14 w/1 or 2 #16
2 #12 w/1 #14 w/1 to 3 #16
Model
600 Volt Maximum
B4
Strip
wires
3/4”
2 #6 stranded or #8 stranded
2 or 3 #8 solid
2 to 4 #10 stranded
2 to 5 #10 solid
2 to 5 #12
4 to 6 #14
#12 w/#14 2 to 6*
#10 w/#14 2 to 5*
#10 w/#12 2 to 5*
1 #8 w/1 to 4 #14
1 #8 w/1 to 4 #12
2 #8 w/1 to 3 #12
3 #8 solid w/1 #12
1 #8 w/1 to 4 #10
2 #8 w/1 or 2 #10
1 #6 w/1 to 4 #14
1 #6 w/1 to 4 #12
1 #6 w/1 or 2 #10
1 #6 w/1 or 2 #8
Model
600 Volt Maximum
BGR/
WGR
Strip wires
1”
2 or 3 #10
2 to 5 #12 or #14
2 #10 w/1 or 2 #12
2 #10 w/1 #12 w/1 #14
2 #10 w/1 to 3 #14
1 #10 w/1 to 3 #12
1 #10 w/1 to 4 #14
1 #10 w/1 to 3 #12 w/1 #14
1 #10 w/1 or 2 #12 w/1 or 2
#14
1 #10 w/1 #12 w/1 to 3 #14
4 #12 w/1 #14
3 #12 w/1 or 2 #14
2 #12 w/1 to 3 #14
1 #12 w/1 to 4 #14
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 9
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
Buchanan B-Twist™ Wire Connectors
Model
600 Volt Maximum
BT2
Strip
wires
1/2”
1 to 4 #10
1 to 5 #12
#14 1 to 6 #14 or #16
2 to 6 #18
3 to 6 #20
4 to 6 #22
1 #8 w/1 to 5 #16
1 #8 w/1 to 4 #14
1 #8 w/1 to 3 #12
1 #8 w 2 #12 w/1 to 4 #14
1 #8 w/1 to 2 #10
1 # w/1 #10 w/1 to 2 #14 or
#12
1 #8 w/2 #10 w/1 #14
1 #10 w/1 to 5 #18, #16 or #14
1 #10 w/1 to 4 #12
1 #10 w/1 #16 w/1 to 4 #18
1 #10 w/1 #14 w/1 to 4 #18 or
#16
1 #10 w/2 #14 w/1 to 3 #16
1 #10 w/1 #12 w/1 to 4 #18 or
#16
1 #10 w/1 #12 w/1 to 4 #14
1 #10 w/2 #12 w/1 to 3 #18 or
#16
1#10 w/2 #12 w/1 to 2 #14
1 #10 w/3 #12 w/1 #14
1 #10 w/1 to 4 #18 or #16
2 #10 w/1 to 3 #14
2 #10 w/1 to 3 #12
2 #10 w/1 #16 w/1 to 3 #18
2 #10 w/2 #14 w/1 to 2 #16
2 #10 w/1 #12 w/1 to 3 #16
2 #10 w/1 #12 w/1 to 4 #14
2 #10 w/2 #12 w/1 to 2 #18 or
#16
2 #10 w/2 #12 w/1 #14
3 #10 w/1 to 3 #18 or #16
3 #10 w/1 to 2 #14
3 #10 w/1 #12
3 #10 w/1 #16 w/1 to 2 #18
3 #10 w/1 #14 w/1 to 2 #18
3 #10 w/1 #14 w/1 #16
3 #10 w/1 #12 w/1 #18 or #16
1 #12 w/1 to 5 #18, #16 or #14
1 to 2 #12 w/1 #16 w/1 to 3
#18
1 to 2 #12 w/1 #14 w/1 to 3
#18 or #16
1 to 2 #12 w/2 #14 w/1 #16
2 #12 w/1 to 4 #18, #16 or #14
3 #12 w/1 to 3 #18, #16 or #14
3 #12 w/1 #16 w/1 to 2 #18
3#12 w/1 #14 w/1 to 2#18 or
#16
3 #12 w/2 #14 w/1 #16
4 #12 w/1 to 2 #16
4 #12 w/1 #14
4 #12 w/1 #16 w/1 #18
4 #12 w/1 #14 w/1 #18 or #16
1 #14 w/1 to 5#22, #20, #18 or
#16
1 to 2 #14 w/1 #16 w/1 to 3
#18
2 #14 w/1 to 4#22, #20, #18 or
#16
3 #14 w/1 to 3#22, #20, #18 or
#16
3 #14 w/1 #16 w/1 to 2 #18
4 #14 w/1 to 2 #22, #20, #18 or
#16
4 #14 w/1 #16 w/1 #18
5 #14 w/1 #18 or #16
1 #16 w/1 to 5#22, #20 or #18
1 to 2#16 w/1 to 2 #20 w/1 to
2 #22 or #20
1 #16 w/1 #18 w/1 to 3 #22 or
#20
2 #16 w/1 to 3 #22, #20 or #18
3 #16 w/1 to 3 #22 w/1 #20
3 #16 w/1 to 2 #22 w/1 #20
3 #16 w/1 #18 or 2 #22 or #20
4 #16 w/1 to 2 #22, #20 or #18
4 #16 w/1 #22 w/1 #20
4 #16 w/1 #18 w/1 #22 or #20
5 #16 w/1 #22, #20 or #18
1 #18 w/1 to 5 #22 or #20
1 to 3 #18 w/1 to 2 #22 w/1
#20
1 to 3 #18 w/2 #22 or #20
2 #18 w/1 to 4 #22 or #20
3 #18 w/1 to 3 #22 or #20
4 #18 w/1 to 2 #22 or #20
5 #18 w/1 #22 or #20
1 #20 w/3 to 5 #22
2 #20 w/2 to 4 #22
3 #20 w/2 to 3 #22
4 #20 w/2 #22
5 #20 w/1 #22
Buchanan WireTwist™ Wire Connectors
Model
300 Volt Maximum
600 Volt Maximum
WT1
Strip
solid
wires
1/4”;
strip
stranded
wires
5/16”
1 #14
1 to 2 #16
2 to 3 #18
2 to 4 #20
3 to 4 #22
5 #22 solid
1 #14 w/1 #20 or 22
1 #16 w/1 #18
1 #16 w/1 to 2 #20
1 #16 w/1 to 3 #22
1 #18 w/1 to 3 #20
1 #18 w/1 to 4 #22
2 #22 stranded only
4 #20 w/1 #22
3 #20 w/1 to 2 #22
2 #20 w/1 to 3 #22
1 #20 w/1 to 4 #22
1 #16 w/1 #20 w/1 #18 or #20
1-2 #18 w/1 #20 w/1 #22
Model
300 Volt Maximum
600 Volt Maximum
WT2
Strip
wires
3/8”;
strip
wires
#16 and
smaller
½”
1 #14 Stranded only
1 #16 Stranded only
2 to 3 #16
1 #18 Stranded only
2 to 4 #18
3 to 5 #20
1 #14 w/1 #16
1 #14 w/1 to 2 #18
1 #14 w/1 to 3 #20
1 #14 w/1 to 4 #22
2 # 16 w/1 #18
2 #16 w/1 to 2 #20
2 #16 w/1 to 3 #22
1 #16 w/1 to 3 #18
1 #16 w/1 #18 w/1 #20
1 #16 w/1 to 4 #20 or #22
4 #18 w/1 #20 or #22
3 #18 w/1 to 2 #20 or #22
2 #18 w/1 to 3 #20 or #22
1 #18 w/2 to 4 #20
1 #18 w/3 to 4 #22
4 #20 w/1 #22
3 #20 w/1 to 2 #22
2 #16 w/1 #20 w/1 #22
1 #16 w/1 #22 w/1 #18 or #20
1 to 2 #18 w/1 #20 w/1#22
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 10
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
Buchanan WireTwist™ Wire Connectors
Model
300 Volt Maximum
600 Volt Maximum
WT3
Strip
wires
5/16”;
strip
wires #16
and
smaller
3/8”
5 #18
5 #22
3 to 4 #16
4 to 5 #20
2 #14 w/2 #16
2 #14 w/1 to 3 #20 or #22
1 #14 w/2 #16
1 #14 w/3 #18
1 #14 w/4 #20
4 #16 w/1 #20 or #22
3 #16 w/1 #18
3 #16 w/1 to 2 #20 or #22
2 #16 w/2 to 3 #18
2 #16 w/3 #22
2 #16 w/3 #20
1 #16 w/4 #18
4 #18 w/1 #20 or #22
3 #18 w/2 #20 or #22
2 #18 w/3 #22
1 #18 str. w/5 #22 str.
4 #20 w/1 #22
3 #20 w/1 to 2 #22
2 #20 w/2 to 3 #22
1 #20 w/4 #22
1 to 2 #14
1 #16 Stranded only
2 #16
1 #18 Stranded only
2 to 4 #18
1 #14 w/1 #16
1 #14 w/1 #16 and 1 #18
1 #14 w/1 to 2 #18
1 #14 w/1 to 3 #20
1 #14 w/1 to 3 #22
2 #16 w/1 #18
2 #16 w/1 to 2 #20
2 #16 w/1 to 2 #22
1 #16 w/1 to 2 #18
1 #16 w/1 to 3 #20 or #22
3 #18 w/1 #20 or #22
2 #18 w/1 to 2 #20
2 #18 w/1 to 3 #22
1 #18 w/2 to 4 #20
1 #18 w/3 to 4 #22
1 to 2 #16 w/1 #20 w/1 #22
1 #16 w/1 #18 w/1 #22
1 to 2 #18 w/1 #20 w/1 #22
Model
300 Volt Maximum
600 Volt Maximum
WT4
Strip
wires
3/8”;
strip
wires #16
and
smaller
7/16”
2 #10
3 #12
5 #16 or #18
1 #10 w/3 to 4 #16
1 #10 w/2 #14
1 #10 w/1 #16 w/4 #20
1 #10 w/1 #16 w/3 to 4 #18
1 #10 w/1 #14 w/4 #22
1 #10 w/1 #14 w/3 #20
1 #10 w/1 #14 w/2 to 4 #18
1 #10 w/1 #14 w/2 #16
1 #10 w/2 #14 w/1 #16
1 #10 w/1 #12 w/1 to 2 #18
1 #10 w/1 #12 w/1 #16 or #14
1 #12 w/3 #14
2 #12 w/1 to 2 #14
2 #12 w/3 #18
1 #14 w/4 #18 or #16
2 #14 w/3 #18 or #16
3 #14 w/2 #18 or #16
3 #14 w/1 #18 w/2 #20
4 #14 w/1 to 2 #16
1 #16 w/4 #18
2 #16 w/3 #18
3 #16 w/2 #18
4 #16 w/1 #18
1 #8
1 #10
1 to 2 #12
1 to 3 #14
2 to 5 #16
2 to 6 #18
3 to 4 #20
4 #22
1 #10 w/1 #14
1 #10 w/1 #12
1 #12 w/1 to 4 #20, #18, or #16
1 #12 w/1 to 2 #14
2 #12 w/1 to 2 #18
2 #12 w/1 #16
1 #14 w/2 to 4 #20
1 #14 w/1 to 3 #18 or #16
2 #14 w/1 to 3 #20
2 #14 w/1 to 2 #18 or #16
3 #14 w/1 to 2 #20
3 #14 w/1 #18 or #16
4 #14 w/1 #20 or #18
1 #16 w/4 #20
1 #16 w/1 to 3 #18 or #20
1 #16 w/2 #22
2 #16 w/1 to 3 #20
2 #16 w/1 to 2 #18
2 #14 w/1 #16 w/1 to 3 #22
3 #16 w/1 to 2 #22 or #20
3 #16 w/1 #18
4 #16 w/1 #22 or #20
1 #18 w/2 #20
1 #18 w/3 #22
2 #18 w/3 #20
3 #18 w/1 to 2 #22 or #20
4 #18 w/1 #22 or #20
2 #12 w/1 #18 w/1 to 2 #20
1 #14 w/1 #16 w/1 to 4 #22
2 #14 w/1 to 2 #20 w/1 to 2
#22
3 #14 w/1 #18 w/1 to 2 #22
3 #14 w/1 #18 w/1 #20
1 #16 w/1 #20 w/4 #22
1 #16 w/1 #18 w/3 to 4 #22
1 #16 w/1 #18 w/2 to 4 #20
2 #16 w/1 to 2 #20 w/1 to 2
#22
3 #16 w/1 #18 w/1 to 2 #22 or
#20
1 #18 w/2 #20 w/3 #22
2 #18 w/1 #20 w/3 #22
3 #18 w/1 to 2 #20 w/1 #22
1 #10 w/1 #16 w/1 to 2 #18
1 #10 w/1 #14 w/1 to 2 #20
1 #10 w/1 #14 w/1 #18
1 #12 w/1 #16 w/1 to 4 #20 or
#18
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 11
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
Buchanan WireTwist™ Wire Connectors
Model
300 Volt Maximum
600 Volt Maximum
WT6
Strip
wires
7/16”;
strip
wires #16
and
smaller
½”
2 #8 stranded only
3 #10
5 #12
1 #6 w/1 #14
1 #6 w/1 #12
1 #6 w/1 #14 w/1 to 2 #18
1 #6 w/1 #14 w/1 #16
1 #8 w/4 #16
1 #8 w/3 #14
1 #8 w/2 #12
1 #8 w/1 #10
1 #8 w/1 #14 w/4 #18
1 #8 w/1 #12 w/1 to 4 #18 or
#16
1 #8 w/1 #12 w/1 to 2 #14
1 #8 w/2 #12 w/1 #16 or #14
1 #8 w/1 #10 w/1 #14 or #12
1 #10 w/4 #14
1 #10 w/3 #12
1 #10 w/2 #14 w/3 #16
1 #10 w/1 #12 w/4 #16
1 #10 w/1 #12 w/3 to 4 #14
1 #10 w/2 #12 w/2 to 3 #18 or
#16
1 #10 w/2 #12 w/1 to 2 #14
2 #10 w/3 #16
2 #10 w/2 to 3 #14
2 #10 w/1 to 2 #12
2 #10 w/1 #16 w/2 to 3 #18
2 #10 w/1 #14 w/1 to 3 #18
2 #10 w/2 #14 w/1 #16
2 #10 w/1 #12 w/1 to 3 #18
2 #10 w/1 #12 w/1 to 2 #16
3 #10 w/1 #18 or #16
2 #12 w/2 #14 w/2 #16
3 #12 w/2 #14
3 #12 w/3 #16
3 #12 w/1 #16 w/2 #18
3 #12 w/1 #14 w/1 to 2 #16
3 #12 w/1 #14 w/1 to 2 #18
3 #12 w/2#14 w/1 #16
4 #12 w/1 #18, #16, or #14
1 #6 or #8
1 to 2 #10
1 to 4 #12
2 to 5 #14
4 to 6 #16
1 #8 w/1 #12
1 #10 w/1 to 4 #18 or #16
1 #10 w/1 to 3 #14
1 #10 w/1 to 2 #12
1 #10 w/1 #18 w/1 to 4 #22 or
#20
1 #10 w/1 #16 w/1 to 4 #20
1 #10 w/1 #16 w/1 to 4 #18
1 #10 w/1 #14 w/1 to 4 #16 or
#18
1 #10 w/2 #14 w/1 to 2 #16
1 #10 w/1 #12 w/1 to 3 #16 or
#18
1 #10 w/1 #12 w/1 to 2 #14
1 #10 w/2 #12 w/1 #16 or #18
2 #10 w/1 to 3 #18
2 #10 w/1 to 2 #16
2 #10 w/1 #14
2 #10 w/1 #16 w/1 #18
2 #10 w/1 #14 w/1 #20
1 #12 w/2-4 #20 or #18
1 #12 w/1 to 4 #16 or #14
1 #12 w/1 #16 w/1 to 4 #20
1 #12 w/1 #16 w/1 to 4 #18
1 #12 w/1 #14 w/1 to 4 #20,
#18, or #16
1 #12 w/2 #14 w/1 to 3 #16
2 #12 w/1 to 2 #18 or #16
1 #8 w/1 to 2 #14
2 #12 w/1 to 3 #14
2 #12 w/1 #16 w/1 to 3 #20
2 #12 w/1 #16 w/1 to 3 #18
2 #12 w/1 #14 w/1 to 3 #18
2 #12 w/1 #14 w/1 to 3 #16
3 #12 w/1 #14
3 #12 w/1 to 2 #16 or #18
3 #12 w/1 #18 w/1 to 2 #20
3 #12 w/1 #16 w/1 to 2 #20
2 #12 w/2 #14 w/1 #16 or #18
1 #14 w/3 to -4 #18
1 #14 w/1 #16 w/2 to 4 #20
1 to 2 #14 w/1 #16 w/1 to 3
#18
2 #14 w/2 to 4 #16
2 #14 w/1 #18 w/1 to 3 #22 or
#20
2 #14 w/1 #16 w/1 to 3 #22 or
#20
3 #14 w/1 to 2 #18 or #16
3 #14 w/1 #16 w/1 to 2 #20
3 #14 w/1 #16 w/1 to 2 #18
1 #16 w/4 #18
2 #16 w/3 to 4 #18
2 #16 w/1 #18 w/3 #22
2 #16 w/1 #18 w/2 to 3 #20
3 #16 w/1 to 2 #20 or #18
4 #16 w/1 #20 or #18
Buchanan WingTwist™ Wire Connectors
Model
600 Volt Maximum
WT51
Strip
wires
3/8”
1 #10
1 to 3 #12 or #14
2 to 4 #16 or #18
1 #16 w/1 to 5 #18
2 #16 w/1 to 4 #18
3 #16 w/1 to 3 #18
4 #16 w/1 to 2 #18
1 #14 w/1 to 5 #18
1 #14 w/1 to 4 #16
2 #14 w/1 to 3 #18 or #16
3 #14 w/1 to 2 #18
3 #14 w/1 #16 or #18
1 #12 w/1 to 5 #18
1 #12 w/1 to 3 #16
1 #12 w/1 to 2 #14
2 #12 w/1 to 2 #18
2 #12 w/ 1 #16 or #14
1 #10 w/1 to 3 #18
1 #10 w/1 to 2 #16 or #14
1 #10 w/1 #12
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 12
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
Buchanan WingTwist™ Wire Connectors
Model
600 Volt Maximum
WT41
Strip
wires
1/2”
1 to 3 #10
4 #12 solid
1 to 3 #12
1 to 5 #14
2 to 6 #20, #18, or #16
3 to 6 #22
1 #22 solid w/1 #20 solid
1 #22 w/2 to 5 #20
1 #22 w/1 to 5 #18, #16
2 #22 w/1 to 4 #20, #18 or #16
3 #22 w/1 to 3 #20, #18 or #16
4 #22 w/1 to 2 #2 , #18 or #16
1 #20 w/1 to 4 #18, #16 or #14
2 #20 w/1 to 3 #18, #16 or #14
3 #20 w/1 to 2 #18, #16 or #14
4 #20 w/1 to 2 #18, #16 or #14
1 #16 stranded
1 #18 w/1 to 4 #16, #14 or #12
1 #18 w/1 to 2 #10
2 #18 w/1 to 4 #16 or #14
2 #18 w/1 to 3 #12
2 #18 w/1 to 2 #10
3 #18 w/1 to 3 #16, #14 or #12
3 #18 w/1 to 2 #10
4 #18 w/1 to 2 #16, #14 or #12
4 #18 w/1 #10
5 #18 w/1 #16 or #14
1 #16 w/1 to 4 #14 or #12
1 #16 w/1 to 2 #10
2 #16 w/1 to 4 #14
2 #16 w/1 to 3 #12 or #14
3 #16 w/1 to 2 #12 or #10
4 #16 w/1 to 2 #14 or #12
4 #16 w/ 1 #10
5 #16 w/1 #14
5 #16 solid w/1 #10 solid
1 #14 solid w/1 to 3 #12
1 #14 w/1 to 2 #10 2 #14 w/1
to 2#12
2 #14 w/ 1 to 2#10
2 #14 w/ 1 #8
3 #14 w/1 #12 or #10
3 #14 w/2 #12
4 #14 w/1 #12 or #10
1 #12 w/1 to 2#10
1 #12 w/1 #8
2 #12 w/1 #10
1 #10 w/1 #8
1 #22 w/1 #18 w/1 #16
1 #22 w/1 #20 w/1 to 2 #16
1 #16 w/ 1 to 2 #14 w/1 #12 or
#10
1 #16 w/1 #12 w/1 #10
2 #16 w/1 #14 w/1 to 2 #12
2 #16 w/2 #14 w/1 #12
2 #16 w/1 #12 w/1 #10
3 #16 w/1 #14 w/1 #12 or #10
4 #16 w/1 #12 w/1 #10
1 #14 w/1 to 2 #12 w/1 #10
2 #14 w/1 #12 w/1 #10
Model
600 Volt Maximum
WT52
Strip
wires
1/2”
2 to 3 #10
2 to 5 #12
2 to 6 #14
4 to 6 #16
6 #18
1 #12 w/5 #14
1 #12 w/4 #16 or #14
1 #12 w/2 #14
1 #12 w/1 #14
1 #10 w/3 #14
1 #10 w/4 #14
1 #10 w/2 #14
1 #10 w/1 #12
1 #8 w/1 #10, #12, or #14
1 #10 w/2 to 5 #18
1 #10 w/1 to 4 #16
1 #10 w/1 to 2 #14 or #12
1 #10 w/1 #14 and 1 to 3 #16
1 #10 w/2 #14 and 1 #16
1 #10 w/1 #12 and 1 #14
1 #10 w/1 #12 and 1 to 2 #16
2 #10 w/1 to 2 #16
2 #10 w/1 #14
1 #12 w/2 to 5 #18
1 #12 w/1 to 5 #16
1 #12 w/1 to 4 #14
1 #12 w/1 #14 and 1 to 4 #16
1 #12 w/2 #14 and 1 to 2 #16
2 #12 w/3 to 4 #18
2 #12 w/1 to 3 #16
2 #12 w/1 to 3 #14
2 #12 w/1 #14 and 1 to 2 #16
3 #12 w/1 to 2 #16
3 #12 w/2 #18
1 #14 w/3 to 5 #18
1 #14 w/3 #12
1 #14 w/2 to 5 #16
2 #14 w/1 to 4 #18 or #16
3 #14 w/1 to 3 #16
4 #14 w/1 to 2 #18
4 #14 w/1 #16
5 #14 w/1 #18
1 #16 w/4 to 5 #18
2 #16 w/2 to 4 #18
3 #16 w/1 to 3 # 18
4 #16 w/1 to 2 #18
5 #16 w/1 #18
Model
600 Volt Maximum
WT53
Strip
wires
1/2”
1 #6
2 #8
2 to 3 #10
2 to 6 #12
4 to 6 #14
4 #16 w/2 #18
1 #14 w/4 to 5 #16
2 #14 w/3 to 4 #18
2 #14 w/2 to 4 #16
3 #14 w/1 to 3 #18 or #16
4 #14 w/1 to 2 #18 or #16
5 #14 w/1 #18 or #16
1 #12 w/3 to 5 #16
1 #12 w/2 to 5 #14
2 #12 w/3 to 4 #18
2 #12 w/1 to 4 #16 or #14
3 #12 w/1 to 3 #18 or #16
3 #12 w/1 to 3 #14
4 #12 w/1 to 2 #16
1 #10 w/1 to 5 #16 or #14
1 #10 w/1 to 4 #12
2 #10 w/2 to 4 #18 or #16
2 #10 w/1 to 4 #14
2 #10 w/1 to 2 #12
3 #10 w/1 #14 or #12
1 #8 w/1 to 5 #14
1 #8 w/1 to 3 #12
1 #8 w/1 to 2 #10
2 #8 w/1 #14
1 #6 w/1 #10
1 #12 w/1 #14 w/1 to 4 #16
1 #12 w/2 #14 w/1 #16
2 #12 w/1 #14 w/1 to 2 #16
1 #10 w/1 #14 w/1 to 3 #16
1 #10 w/2 #14 w/1 #16
1 #10 w/1 #12 w/1 to 2 #6
1 #10 w/1 #12 w/1 to 4 #14
1 #10 w/2 #12 w/1 to 3 #14
1 #10 w/3 #12 w/1 #14
2 #10 w/2 #12 w/1 to 2 #14
1 #8 w/1 #12 w/1 to 3 #14
1 #8 w/2 #12 w/1 #14
1 #8 w/1 #10 w/1 to 2 #14
1 #8 w/1 #10 w/1 #12
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 13
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
Buchanan WingTwist™ Wire Connectors
Model
600 Volt Maximum
WT54
Strip
wires
5/8”
1 to 2 #6
2 to 3 #8
2 to 5 #10
3 to 6 #12
5 to 6 #14
1 #12 w/4 to 5 #14
2 #12 w/2 to 4 #14
3 #12 w/1 to 3 #14
4 #12 w/1 #14
1 #10 w/3 to 5 #14
1 #10 w/2 to 4 #14
2 #10 w/1 to 4 #14 or #12
3 #10 w/1 to 3 #14 or #12
4 #10 w/1 to 2 #14 or #12
1 #8 w/1 to 5 #14 or #12
1 #8 w/1 to 4 #10
2 #8 w/1 to 4 #14
2 #8 w/1 to 3 #12
2 #8 w/1 to 2 #10
3 #8 w/1 to 2 #14
1 #6 w/1 to 4 #14
1 #6 w/1 to 5 #12
1 #6 w/1 to 3 #10
1 #6 w/1 to 2 #8
2 #6 w/1 #14
2 #6 w/1 #12
1 #10 w/1 #12 w/1 to 4 #14
1 #10 w/2 #12 w/1 to 3 #14
1 #10 w/3 #12 w/1 to 2 #14
1 #10 w/4 #12 w/1 #14
2 #10 w/1 #12 w/1 to 3 #14
2 #10 w/2 #12 w/1 to 2 #14
2 #10 w/3 #12 w/1 #14
3 #10 w/1 #12 w/1 to 2 #14
3 #10 w/2 #12 w/1 #14
4 #10 w/1 #12 w/1 #14
1 #8 w/1 #12 w/1 to 4 #14
1 #8 w/2 #12 w/1 to 3 #14
1 #8 w/3 #12 w/1 to 2 #14
1 #8 w/4 #12 w/1 #14
1 #8 w/1 #10 w/1 to 4 #14
1 #8 w/1 #10 w/1 to 4 #12
1 #8 w/2 #10 w/1 to 3 #14
1 #8 w/2 #10 w/1 to 3 #12
1 #8 w/3 #10 w/1 to 2 #14
1 #8 w/3 #10 w/1 #12
2 #8 w/1 #12 w/1 to 3 #14
2 #8 w/2 #12 w/1 to 2 #14
2 #8 w/3 #12 w/1 #14
2 #8 w/1 #10 w/1 to 3 #14
2 #8 w/1 #10 w/1 to 2 #12
2 #8 w/2 #10 w/1 #14 Sol
1 #6 w/1 #12 w/1 to 4 #14
1 #6 w/2 #12 w/1 to 3 #14
1 #6 w/3 #12 w/1 to 2 #14
1 #6 w/4 #12 w/1 #14
1 #6 w/1 #10 w/1 to 4 #14
1 #6 w/1 #10 w/1 to 3 #12
1 #6 w/2 #10 w/1 to 2 #14
1 #6 w/2 #10 w/1 #12
1 #6 w/1 #8 w/1 to 3 #14
1 #6 w/1 #8 w/1 to 2 #12
1 #6 w/1 #8 w/1 #10
IDEAL Set Screw Wire Connectors
Model
300 Volt Maximum
10
1 #10 or #12
1 to 2 #14
2 to 4 #16
2 to 6 #18 or #20
4 to 6 #22
1 #10 str. w/1 #20
1 #10 str. w/1 to 2 #22
1 #12 str. w/1 #14
1 #12 str. w/1 #16 w/1 #18
1 #12 str. w/1 to 2 #18 or #20
1 #12 str. w/1 #18 or #20 w/1
to 2 #22
1 #12 w/3 or 4 #20 or #22
2 #14 w/1 #16
1 #14 w/1 to 2 #16
2 #14 str. w/1 #16 w/1 #20 or
#22
1 #14 str. w/1 #16 w/1 #18,
#20, or #22
2 #14 w/1 to 2 #18
1 #14 w/1 to 3 #18
2 #14 str. w/1 #18 or #20 w/1
to 2 #22
1 # 14 str. w/1 #18 or #20 w/1
to 2 #22
2 #14 w/1 to 3 #20
1 #14 w/3 to 5 #20
1 #14 str. w/1 to 2 #20
1 #14 str. w/2 to 5 #22
2 #14 w/3 to 4 #22
2 #14 str. w/1 to 2 #22
1 #16 w/1 to 5 #20 or #22
1 #16 w/1 to 4 #18
1 #16 w/1 #20 w/1 to 2 #22
1 #16 w/1 #18 w/1 to 2 #22
2 #16 w/1 to 4 #20 or #22
2 #16 w/1 to 3 #18
3 #16 w/1 #18 or #20 w/1 to 2
#22
3 #16 w/1 to 3 #20 or #22
4 #16 w/1 #18, #20 or #22
4 #16 w/1 #20 w/1 #22
1 #18 w/1 to 5 #20 or #22
1 #18 w/1 #20 w/1 to 2 #22
2 #18 w/1 to 4 #20 or #22
2 #18 w/1 #20 w/1 to 2 #22
3 #18 w/1 to 4 #22
3 #18 w/1 to 3 #20
3 #18 w/1 #20 w/1 to 2 #22
4 #18 w/1 to 2 #20 or #22
4 #18 w/1 #20 w/1 to 2 #22
5 #18 w/1 #20 w/1 to 2 #22
1 #20 w/1 to 5 #22
2 #20 w/1 to 4 #22
3 #20 w/1 to 3 #22
4 #20 w/1 to 2 #22
5 #20 w/1 #22
3 #16 w/1 to 2 #18
Model
600 Volt Maximum
11
1 #10
2 #12
2 to 3 #14
4 or 5 #16
1 #10 str. w/1 to 2 #16, #18 or
#20
1 #10 w/3 or 4 #18
1 #10 w/3 #16
1 #12 w/4 #18
1 #12 w/2 #14
1 #12 w/1 #16
1 #12 w/3 to 5 #20
1 #12 w/1 to 3 #16 or #18
1 #12 w/1 #14
2 #12 w/2 to 3 #20
2 #12 w/1 to 2 #18
3 #14 w/5 #22
3 #14 w/3 #20
1 #14 w/2 to 5 #22
1 #14 w/1 to 5 #18 or #20
1 #14 w/1 to 4 #16
2 #14 w/1 to 5 #20 or #22
2 #14 w/1 to 4 #18
2 #14 w/1 to 3 #16
3 #14 w/1 or 3 #22
3 #14 w/1 to 2 #18 or #20
3 #14 w/1 #16
1 #16 w/4 or 5 #22 1 #16 w/3
to 5 #20
1 #16 w/2 to 5 #18
2 #16 w/1 to 5 #22
2 #16 w/2 to 5 #20
2 #16 w/1 to 4 #18
3 #16 w/1 to 5 #22
3 #16 w/1 to 4 #20
3 #16 w/1 to 3 #18
4 #16 w/1 to 5 #22
4 #16 w/1 to 2 #18 or #20
5 #16 w/1 to 4 #22
5 #16 w/1 #18 or 1 #20
6 or 7 #18
1 #18 w/4 or 5 #20 or #22
2 #18 w/2 to 5 #22
2 #18 w/3 or 4 #20
3 #18 w/1 to 5 #22
3 #18 w/1 to 3 #20
4 #18 w/1 to 5 #22
4 #18 w/1 to 2 #20
5 #18 w/1 to 5 #22
5 #18 w/1 #20
1 #20 w/4 or 5 #22
2 to 4 #20 w/3 to 5 #22
5 #20 w/1 to 5 #22
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 14
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
IDEAL Set Screw Wire Connectors
Model
600 Volt Maximum
22
1 to 2 #10
2 to 4 #12
2 to 6 #14
4 to 6 #16
2 #18
1 #10 str. w/3 to 5 #20
1 #10 w/3 to 5 #18
1 #10 w/2 to 5 #16
1 #10 w/1 to 4 #14
1 #10 w/1 to 2 #12
2 #10 w/2 to 4 #20
2 #10 w/1 to 3 #18
2 #10 w/1 to 2 #16
2 #10 w/1 #14
2 #10 w/1 #12
1 #12 w/3 to 5 #18
1 #12 w/2 to 5 #16
1 #12 w/1 to 5 #14
2 #12 w/1 to 4 #18
2 #12 w/1 to 4 #16
2 #12 w/1 to 4 #14
3 #12 w/1 to 3 #18 3 #12 w/1
to 2 #16
3 #12 w/1 #14
1 #14 w/3 to 5 #18
1 #14 w/2 to 5 #16
2 #14 w/2 to 4 #20
2 #14 w/1 to 4 #16
3 #14 w/2 to 3 #20
3 #14 w/1 to 3 #16
4 #14 w/1 to 2 #16
5 #14 w/1 #16
1 #16 w/3 to 5 #18
2 #16 w/2 to 4 #18
3 #16 str. w/1 to 3 #18 str.
4 #16 w/1 to 2 #18
5 #16 w/1 #18
IDEAL Crimp Connectors
Model
600 Volt Maximum
48
Crimp
1 to 3 #16
1 to 4 #18
1 to 5 #20
1 to 6 #22
1 #14 w/1 to 3 #22
1 #14 w/1 to 3 #20
1 #14 w/1 to 2 #18
1 #14 w/1 #16
1 #14 w/1 #18 w/1 to 3 #22
1 #14 w/1 #18 w/1 to 2 #20
1 #14 w/1 #18 w/1 #20 w/1
#22
1 #16 w/1 to 5 #22
1 #16 w/1 to 4 #20
1 #16 w/1 to 3 #18
1 #16 w/2 #22
1 #16 w/1 #18 w/1 #22
1 #16 w/2 #18 w/1 #20
1 #16 w/2 #18 w/1 to 2 #22
1 #16 w/1 #18 w/1 #20 w/1
#22
1 #16 w/1 #18 w/1 to 2 #20
w/1 #22
2 #16 w/1 to 3 #22
2 #16 w/1 to 2 #20
2 #16 w/1 #18 w/1 #22
2 #16 w/1 #20 w/1 #22
2 #16 w/1 #18 1 #18 w/1
to 5 #20 or #22
2 #18 w/1 to 3 #20
3 #18 w/1 to 3 #22
3 #18 w/1 to 2 #20
1 #18 w/1 to 4 #20 w/1 #22
1 #18 w/1 #20 w/2 to 4 #22
1 #18 w/2 #20 w/2 or 3 #22
1 #18 w/3 #20 w/2 #22
2 #18 w/1 to 2#20 w/1 #22
2 #18 w/1 #20 w/1 to 3 #22
3 #18 w/1 #20 w/1 #22
2 #20 w/1 to 4 #22
3 #20 w/1 to 3 #22
4 #20 w/1 to 2 #22
5 #20 w/1 #22
1 #20 w/1 to 4 #22
Model
600 Volt Maximum
49
Crimp
2 #14
1 to 4 #16
1 to 6 #18
1 to 6 #20
1 #12 str. w/1 or 2 #18
1 #12 str. w/1 #16
1 #14 w/1 to 3 #18
1 #14 w/1 to 3 #16
1 #14 w/2 to 3 #20
1 #14 w/1 #17 w/ 1 #20
1 #16 w/1 to 4 #18
1 #16 w/1 to 4 #20
1 #16 w/1 #18 w/1 #20
2 #16 w/1 to 2 #18
2 #16 w/2 to 3 #20
3 #16 w/1 #18 w/ 1 #20
1 #17 w/1 #18 w/1 #20 all str.
1 #17 w/1 #18 w/1 #20 w/ 1
#22 all str.
1 #18 w/1 #22
1 #18 w/2 to 4 #20
1 to 2 #18 w/1 #20
2 #18 w/1 to 4 #20
2 #18 w/1 #22
3 #18 w/1 #22
4 #18 w/1 #22
Model
600 Volt Maximum
NC-8
Stranded
Wire
Only
2 #10
2 to 3 #12
3 to 5 #14
4 to 7 #16
7 to 12 #18
1 #8 w/1 #14, #16 or #18
1 #8 w/2 #18
1 #10 w/1 #12
1 #10 w/2 #14
1 #10 w/1, 2 or 4 #16
(no 3 #16’s)
1 #10 w/1 to 6 #18
1 #12 w/3 to 8 #18
1 #12 w/2 to 5 #16
1 #12 w/1 to 4 #14
2 #12 w/1 to 4 #14
2 #12 w/1 to 3 #16
2 #12 w/2 #14
1 #14 w/4 to 10 #18
1 #14 w/3 to 6 #16
2 #14 w/2 to 7 #18
2 #14 w/1 to 4 #16
3 #14 w/1 to 5 #18
3 #14 w/1 to 3 #16
4 #14 w/1 to 2 #18
1 #16 w/5 to 11 #18
2 #16 w/4 to 9 #18
3 #16 w/2 to 7 #18
4 #16 w/1 to 6 #18
5 #16 w/1 to 4 #18
6 #16 w/1 #18
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 15
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
IDEAL Crimp Connectors
Model
600 Volt Maximum
410
2 #10 str
2 to 4 #12
3 to 6 #14
2 #14 str.
3 to 7 #16
5 to 10 #18
1 #14 sol w/1 #14 str.
1 #10 sol w/1 #10 str.
1 #14 w/1 to 3 #12
1 #14 w/1 to 2 #12 w/1 #10
2 #14 w/1 to 2 #12
2 #14 w/1 #10 w/1 #12
3 #14 w/1 to 2 #12
3 #14 w/1 #10
1 #12 w/1 to 4 #14
2 #12 w/1 to 3 #14
2 #12 w/1 #10
2 #10 w/1 to 2 #14
2 #10 w/1 #12
1 #10 w/1 to 4 #14
1 #10 w/1 #12
1 #10 w/2 #12
1 #10 str. or sol w/1 to 2 or 4
to 7 #18
(no combinations with 3 #18)
1 #10 str. or sol w/1 to 6 #16
str.
1 #10 str. w/1 to 6 #16 sol
1 #12 w/1 to 9 #18 or 1 to 7
#16
2 #12 w/1 to 6 #18 or 1 to 4
#16
3 #12 w/1 to 3 #18 or #1 to 2
#16
1 #14 w/1 to 9 #18
1 #14 w/1 to 7 #16
2 #14 w/1 to 8 #18 or 1 to 5
#16
3 #14 w/1 to 5 #18
3 #14 w/1 to 4 #16
4 #14 w/1 to 3 #18 or 1 to 2
#16
1 #16 w/3 to 7 #18
2 #16 w/2 to 8 #18
3 #16 w/1 to 7 #18 4 #16 w/1
to 5 #18
5 #16 w/1 to 4 #18
6 #16 w/1 to 2 #18
7 #16 w/1 #18
1 #10 w/1 #18 w/5 #16
1 #10 w/1 to 3 #18 w/4 #16
1 #10 w/1 to 4 #18 w/3 #16
1 #10 w/1 to 6 #18 w/2 #16
1 #10 w/1 to 8 #18 w/1 #16
2 #10 w/1 to 2 #16
2 #10 w/1 to 2 #18 w/1 #16
2 #10 w/1 to 4 #18
1 #12 w/1 to 2 #18 w/6 #16
1 #12 w/1 to 3 #18 w/5 #16
1 #12 w/1 to 4 #18 w/4 #16
1 #12 w/1 to 5 #18 w/3 #16
1 #12 w/1 to 6 #18 w/2 #16
1 #12 w/1 to 8 #18 w/1 #16
2 #12 w/1 #18 w/4 #16
2 #12 w/1 to 3 #18 w/3 #16
2 #12 w/1 to 4 #18 w/2 #16
2 #12 w/1 to 5 #18 w/1 #16
3 #12 w/1 to 2 #18 w/1 #16
1 #14 w/1 #18 w/6 #16
1 #14 w/1 to 2 #18 w/5 #16
1 #14 w/1 to 4 #18 w/4 #16
1 #14 w/1 to 5 #18 w/3 #16
1 #14 w/1 to 7 #18 w/2 #16
1 #14 w/1 to 8 #18 w/1 #16
2 #14 w/1 #18 w/4 #16
2 #14 w/3 #18 w/3 #16
2 #14 w/5 #18 w/2 #16
2 #14 w/7 #18 w/1 #16
3 #14 w/1 to 2 #18 w/3 #16
3 #14 w/1 to 4 #18 w/2 #16
3 #14 w/1 to 5 #18 w/1 #16
4 #14 w/1 to 2 #18 w/1 #16
Model
600 Volt Maximum
411
2 #8
2 to 3 #10
4 #10 sol
3 to 5 #12
5 #14
2 #8 w/1 #12
2 #8 w/1 to 2 #14
1 #8 w/1 to 2 #10
1 #8 w/1 to 3 #12
1 #8 w/1 to 4 #14
3 #10 w/1 #12
3 #10 w/1 to 2 #14, #16, or #18
2 #10 w/1 to 3 #12, #14, or #16
2 #10 w/1 to 3 #18
1 #10 w/2 to 4 #12
1 #10 w/3 to 4 #14
1 #10 w/4 #16
4 #12 w/1 #14, #16, or #18
3 #12 w/1 to 2 #14, #16, or #18
2 #12 w/2 to 3 #14
2 #12 w/3 #16
1 #12 w/4 #14
Model
600 Volt Maximum
412
2 #6
2 or 3 #8
2 to 5 #10
2 to 6 #12
2 to 7 #14
3 to 7 #16
5 to 7 #18
1 #4 w/1 to 3 #14
1 #4 w/1 to 2 #12
1 #4 w/1 #10
1 #4 w/1 #8
1 #6 w/1 to 6 #14
1 #6 w/1 to 5 #12
1 #6 w/1 to 3 #10
1 #6 w/1 to 2 #8
2 #6 w/1 #14 or #12
1 #8 w/1 to 5 #14 or #12
1 #8 w/1 to 3 #10
2 #8 w/1 to 5 #14
2 #8 w/1 to 3 #12
2 #8 w/1 to 2 #10
1 #10 w/1 to 6 #18
1 #10 w/1 to 6 #16
1 #10 w/1 to 5 #14 or #12
2 #10 w/1 to 5 #18, #16, or #14
2 #10 w/1 to 5 #12
3 #10 w/1 to 4 #18, #16, or #14
3 #10 w/1 to 3 #12
4 #10 w/1 to 3 #18, #16, or #14
4 #10 w/1 or 2 #12
1 #12 w/1 to 6 #18, #16, or #14
2 #12 w/1 to 5 #18 or #16
2 #12 w/1 to 5 #14
3 #12 w/1 to 3 #18
3 #12 w/1 to 3 #16
3 #12 w/1 to 4 #14
4 #12 w/1 to 3 #18, #16, or #14
5 #12 w/1 or 2 #18, #16, or #14
1 #14 w/2 to 6 #18
1 #14 w/1 to 6 #16
2 #14 w/1 to 5 #18 or #16
3 #14 w/2 to 4 #18
3 #14 w/1 to 3 #16
4 #14 w/1 to 3 #18 or #16
5 #14 w/1 to 2 #18 or #16
6 #14 w/1 #18 or #16
1 #16 w/4 to 6 #18
2 #16 w/2 to 5 #18
3 #16 w/1 to 4 #18
4 #16 w/1 to 3 #18
5 #16 w/1 or 2 #18
6 #16 w/1 #18
UL File No. E5238
UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS Page 16
Combinations listed on this page are CU/CU Wire only. (Do not use on aluminum wire.) For use on solid and/or stranded
wire combinations unless noted otherwise.
Revised 3.22.2017
Buchanan Crimp Connectors
Model
600 Volt Maximum
2006S
2 #18 Stranded through 10 #18
Solid or Stranded
#18 w/1 to 6 #16 or 1 to 5 #15
or 1 to 3 #12 or 1 #10
2 #18 stranded w/1 to 5 #16 or
1 to 5 #14 or 1 to 3 #12 or 1
#10
3 #18 w/1 to 5 #16 or 1 to 4
#14 or 1 to 2 #12
4 #18 w/1 to 4 #16 or 1 to 3
#14 or 1 to 2 #12 or 1 #10
5 #18 w/1 to 3 #16 or 1 to 2
#14 or 1 #12 or 1 #10
6 #18 w/1 to 3 #16 or 1 to 2
#14 or 1 #12
7 #18 w/1 to 2 #16 or 1 #14
8 #18 w/1 #16
2 to 7 # 16
1 #16 w/1 to 4 #14 or 1 to 3
#12 or 1 #10
2 #16 w/1 to 3 #14 or 1 to 2
#12 or 1 #10
3 #16 w/1 to 2 #14 or 1 #12 or
1 #10
4 #16 w/1 #14 or 1 #12
2 to 5 #14
1 #14 w/1 to 3 #12 or 1 #10
2 #14 w/1 to 2 # 12 or 1 #10
3 #14 w/1 #12
2 to 4 #12
1 #12 w/1 #10
2 # 10
1 #14 w/1 #12 and 1 #10
2 #14 w/1 #12 and 1 #10
1 #10 w/5 #16 and 1 #18
1 #10 w/4 #16 and 1 to 3 #18
2 #10 w/1 #16 and 1# 18
1 #12 w/5 #16 and 1 to 3 #18
1 #12 w/4 #16 and 1 to 4 #18
1 #12 w/3 #16 and 1 to 5 #18
1 #12 w/2 #16 and 1 to 6 #18
1 #12 w/1 #16 and 1 to 8 #18
2 #12 w/4 #16 and 1 #18
2 #12 w/2 #16 and 1 to 4 #18
2 #12 w/1 #16 and 1 to 5 #18
3 #12 w/1 #16 and 1 to 2 #18
1 #14 w/6 #16 and 1 #18
1 #14 w/5 #16 and 1 to 2 #18
1 #14 w/4 #16 and 1 to 4 #18
1 #14 w/3 #16 and 1 to 5 #18
1 #14 w/2 #16 and 1 to 7 #18
1 #14 w/2 #16 and 1 to 8 #18
2 #14 w/4 #16 and 1 #18
2 #14 w/3 #16 and 3 #18
2 #14 w/2 #16 and 5 #18
2 #14 w/1 #16 and 7 #18
3 #14 w/3 #16 and 1 to 2 #18
3 #14 w/2 #16 and 1 to 4 #18
3 #14 w/1 #16 and 1 to 5 #18
4 #14 w/1 #16 and 1 to 2 #18
Model
600 Volt Maximum
2011S
Solid Wire
4-10 # 14
3-6 #12
2-4 #10
2 #8
Stranded Wire
5 to 11 # 14
3 to 7 #12
2 to 5 #10
2 to 3 #8
2 #6
Combination Stranded Wire
1 to 3 #14 w/3 to 5 #12
1 to 3 #14 w/3 to 4 #10
1 to 2 #12 w/3 to 4 #10
1 to 3 #12 w/5 to 8 #14
2 or 4 # 14 w/1 #8 or 1 #10
1 #8 w/1 #10v
Combination Stranded & Solid
1 to 3 #14 w/3 to 5 #12
1 to 3 #14 w/3 to 4 #10
1 to 2 #12 w/3 to 4 #10
1 to 3 #12 w/5 to 8 #14
1 #4 stranded w/1 #8 or 1 #10
1 #6 stranded w/1 #8 or 1 #10
1 #8 w/1 #10
2 or 4 #14 solid w/1 #8 str.
Model
600 Volt Maximum
2008S
2 to 10 #18
1 #18 w/1 to 6 #16 or 1 to 5
#14 or 1 to 3 #12 or 1 #10
2 #18 w/1 to 5 #16 or 1 to 5
#14 or 1 to 3 #12 or 1 #10
2 #16 w/1 to 3 #14 or 1 to 2
#12 or 1 #10
3 #16 w/1 to 2 #14 or 1 #12 or
1 #10
4 #16 w/1 #14 or 1#12
2 to 5 #14
1 #14 w/1 to 3 #12 or 1 #10
2 #14 w/1 to 2 #12 or 1 #10
3 #14 w/1 #12
2 to 4 #12
1 #12 w/1 #10
2 #10
1 #14 w/1 #12 and 1 #10
2 #14 w/1 #12 and 1 #10
1 #10 w/5 #16 and 1 #18
1 #10 w/4 #16 and 1 to 3 #18
2 #10 w/1 #16 and 1 #18
1 #12 w/5 #16 and 1 to 3 #18
1 #12 w/4 #16 and 1 to 4 #18
1 #12 w/3 #16 and 1 to 5 #18
1 #12 w/2 #16 and 1 to 6 #18
2 #12 w/1 #16 and 1 to 2 #18
1 #14 w/6 #16 and 1 #18
1 #14 w/5 #16 and 1 to 2 #18
1 #14 w/4 #16 and 1 to 4 #18
1 #14 w/3 #16 and 1 to 5 #18
1 #14 w/2 #16 and 1 to 7 #18
1 #14 w/1 #16 and 1 to 8 #18
2 #14 w/4 #16 and 1 #18
2 #14 w/3 #16 and 3 #18
2 #14 w/2 #16 and 5 #18
2 #14 w/1 #16 and 7 #18
3 #14 w/3 #16 and 1 to 2 #18
3 #14 w/2 #16 and 1 to 4 #18
3 #14 w/1 #16 and 1 to 5 #18
4 #14 w/1 #16 and 1 to 2 #18
Term-End Lugs
Model
Solid Wire
Stranded Wire
16-8
1 to 8 #16
1 to 4 #14
1 to 2 #12
1 #10
1 to 8 #16
1 to 5 #14
1 to 3 #12
1 #8
IDEAL Term-A-Nut™ Pigtail Connectors and Grounding Connectors
70
Red
w/blk or
white
Green
w/grn
2 to 4 #12 or #14
4 to 5 # 16
1 #16 w/3 to 4 #18
2 #16 w/2 to 3 #18
3 #16 w/1 to 2 #18
4 #16 w/1 #18
1 #14 w/ 2-3 #18
2 #14 w/1 to 2 #18
3 #14 w/1 #18
1 #14 w/2 to 3 #16
2 #14 w/1 to 2 #16
3 #14 w/1 #16
1 #12 w/2 to 3 #18
2 #12 w/1 to 2 #18
3 #12 w/1 #18
1 #12 w/1 to 3 #16
2 #12 w/1 to 2 #16
3 #12 w/1 #16
1 #12 w/1 to 3 #14
2 #12 w/1 to 2 #14
3 #12 w/ 1 #14
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6
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7
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8
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9
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10
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12
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15
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