UNDERWRITER’S LABORATORIES LISTED WIRE COMBINATIONS
The combinations listed are Cu-Cu Only. (Do Not use on Al-Al connections.)
The combinations listed are solid and/or stranded wire unless otherwise noted.
4 to 6 #22 1 #10 w/1 to 2 #14 #16 w/#20 2 to 6* #12 w/#20 2 to 3*
3 to 6 #20 1 #10 w/1 to 2 #16 #16 w/#18 2 to 5* #12 w/#18 2 to 3*
B1
2 to 6 #18 1 #10 w/1 to 3 #18 #14 w/#22 2 to 4* #12 w/#16 2 to 3*
2 to 5 #16 #20 w/#22 3 to 6* #14 w/#20 2 to 4* #12 w/#14 2 to 3*
2 to 4 #14 #18 w/#22 3 to 6* #14 w/#18 2 to 4*
2 to 3 #12 #18 w/#20 3 to 6* #14 w/#16 2 to 4*
* Any wire combination totaling the
1 #10 w/1 #12 #16 w/#22 2 to 6* #12 w/#22 2 to 3*
number of conductors shown.
5 to 6 #22 2 #10 Str. 1 #8 Str. w/1 #10 Str. #14 w/#20 2 to 6*
3 to 6 #20 2 #10 w/1 #12 1 #12 w/1 #14 w/1 to 4 #16 #14 w/#18 2 to 6*
2 to 6 #18 Sol. 1 #10 w/1 to 4 #18 1 #12 w/2 #14 w/1 or 2 #16 #14 w/#16 2 to 6*
2 to 5 #18 Str. 2 #10 w/1 to 3 #18 2 #12 w/1 #14 w/1 to 3 #16 #12 w/#22 2 to 6*
2 to 6 #16 Sol. 1 #10 w/1 to 4 #16 #20 w/#22 4 to 6* #12 w/#20 2 to 6*
B2
2 to 5 #16 Str. 2 #10 w/1 to 3 #16 #18 w/#22 3 to 6* #12 w/#18 2 to 5*
2 to 6 #14 Sol. 1 #10 w/1 to 4 #14 #18 w/#20 3 to 6* #12 w/#16 2 to 5*
2 to 5 #14 Str. 2 #10 w/1 or 2 #14 #16 w/#22 3 to 6* #12 w/#14 2 to 5*
2 to 5 #12 Sol. 1 #10 w/1 to 3 #12 #16 w/#20 2 to 6*
2 to 4 #12 Str. 1 #8 Str. w/1 #14 Str. #16 w/#18 2 to 6*
* Any wire combination totaling the
2 or 3 #10 Sol. 1 #8 Str. w/1 #12 Str. #14 w/#22 2 to 6*
number of conductors shown.
4 to 6 #14 2 #6 Str. 2 #8 w/1 or 2 #10 #12 w/#14 2 to 6*
2 to 5 #12 1 #8 w/1 to 4 #14 1 #6 w/1 to 4 #14 #10 w/#14 2 to 5*
B4
2 to 5 #10 Sol. 1 #8 w/1 to 4 #12 1 #6 w/1 to 4 #12 #10 w/#12 2 to 5*
2 to 4 #10 Str. 2 #8 w/1 to 3 #12 1 #6 w/1 or 2 #10
2 or 3 #8 Sol. 3 #8 Sol. w/1 #12 1 #6 w/1 or 2 #8
* Any wire combination totaling the
2 #8 Str. 1 #8 w/1 to 4 #10
number of conductors shown.
2 to 5 # 14 2 #10 w/1 #12 w/1 #14 1 #10 w/1 to 3 #12 w/1 #14 3 #12 w/1 or 2 #14
BGR
2 to 5 # 12 2 #10 w/1 to 3 #14 1 #10 w/1 or 2 #12 w/1 or 2 #14 2 #12 w/1 to 3 #14
&
2 or 3 # 10 1 #10 w/1 to 3 #12 1 #10 w/1 #12 w/1 to 3 #14 1 #12 w/1 to 4 #14
WGR
2 #10 w/1 or 2 #12 1 #10 w/1 to 4 #14 4 #12 w/1 #14
1 to 3 #10 1 #10 w/2 #12 w/1 or 2 #14 1 or 2 #12 w/2 #14 w/1 #16 1 #16 w/1 #18 w/1 to 3 #22
1 to 5 #12 1 #10 w/3 #12 w/1 #14 2 #12 w/1 to 4 #18, #16 or #14 2 #16 w/1 to 4 #22, #20 or #18
1 to 6 #14 1 #10 w/1 to 4 #18 or #16 3 #12 w/1 to 3 #18, #16 or #14 3 #16 w/1 to 3 #22 w/1 #20
1 to 6 #16 2 #10 w/1 to 3 #14 3 #12 w/1 #16 w/1 or 2 #18 3 #16 w/1 or 2 #22 w/1 #20
2 to 6 #18 2 #10 w/1 to 3 #12 3 #12 w/1 #14 w/1 or 2 #18 or #16 3 #16 w/1 #18 w/1 or 2 #20
3 to 6 #20 2 #10 w/1 #16 w/1 to 3 #18 3 #12 w/2 #14 w/1 #16 3 #16 w/1 #18 w/1 or 2 #22
4 to 6 #22 2 #10 w/2 #14 w/1 or 2 #16 4 #12 w/1 or 2 #16 4 #16 w/1 or 2 #22, #20 or #18
1 #8 w/1 to 5 #16 2 #10 w/1 #12 w/1 to 3 #16 4 #12 w/1 #14 4 #16 w/1 #22 w/1 #20
BT2
1 #8 w/1 to 4 #14 2 #10 w/1 #12 w/1 to 3 #14 4 #12 w/1 #16 w/1 #18 4 #16 w/1 #18 w/1 #22 or #20
1 #8 w/1 to 3 #12 2 #10 w/2 #12 w/1 or 2 #18 or #16 4 #12 w/1 #14 w/1 #18 or #16 5 #16 w/1 #22, #20 or #18
1 #8 w/2 #12 w/1 to 3 #14 2 #10 w/2 #12 w/1 #14 1 #14 w/1 to 5 #22, #20, #18 or #16 1 #18 w/1 to 5 #22 or #20
1 #8 w/1 or 2 #10 3 #10 w/1 to 3 #18 or #16 1 or 2 #14 w/1 #16 w/1 to 3 #18 1 to 3 #18 w/1 or 2 #22 w/1 #20
1 #8 w/1 #10 w/1 or 2 #14 or #12 3 #10 w/1 or 2 #14 2 #14 w/1 to 4 #22, #20, #18 or #16 1 to 3 #18 w/2 #22 or #20
1 #8 w/2 #10 w/1 #14 3 #10 w/1 #12 3 #14 w/1 to 3 #22, #20, #18 or #16 2 #18 w/1 to 4 #22 or #20
1 #10 w/1 to 5 #18, #16 or #14 3 #10 w/1 #16 w/1 or 2 #18 3 #14 w/1 #16 w/1 or 2 #18 3 #18 w/1 to 3 #22 or #20
1 #10 w/1 to 4 #12 3 #10 w/1 #14 w/1 or 2 #18 4 #14 w/1 or 2 #22, #20, #18 or #16 4 #18 w/1 or 2 #22 or #20
1 #10 w/1 #16 w/1 to 4 #18 3 #10 w/1 #14 w/1 #16 4 #14 w/1 #16 w/1 #18 5 #18 w/1 #22 or #20
1 #10 w/1 #14 w/1 to 4 #18 or #16 3 #10 w/1 #12 w/1 #18 or #16 5 #14 w/1 #18 or #16 1 #20 w/3 to 5 #22
1 #10 w/2 #14 w/1 to 3 #16 1 #12 w/1 to 5 #18, #16 or #14 1 #16 w/1 to 5 #22, #20 or #18 2 #20 w 2 to 4 #22
1 #10 w/1 #12 w/1 to 4 #18 or #16 1 or 2 #12 w/1 #16 w/1 to 3 #18 1 #16 w/1 or 2 #20 w/1 or 2 #22 or #20 3 #20 w/2 or 3 #22
1 #10 w/1 #12 w/1 to 4 #14 1 or 2 #12 w/1 #14 w/1 to 3 #18 2 #16 w/1 or 2 #20 w/1 or 2 #22 or #20 4 #20 w/2 #22
1 #10 w/2 #12 w/1 to 3 #18 or #16 1 or 2 #12 w/1 #14 w/1 to 3 #16 1 #16 w/1 #18 w/1 to 3 #20 5 #20 w/1 #22
1 to 3 #10 1 to 6 #16 4 #18 w/1 or 2 #16, #14 or #12 1 #22 w/1 #20 w/1 or 2 #16
1 #10 w/1 #8 1 #16 w/1 to 4 #14 or #12 4 #18 w/1 #10 1 #14 w/1 or 2 #12 w/1 #10
1 to 3 #12 Str. 1 #16 w/1 or 2 #10 5 #18 w/1 #16 or #14 2 #14 w/1 #12 w/1 #10
1 to 4 #12 Sol. 2 #16 w/1 to 4 #14 2 to 6 #20 1 #16 w/1 #12 w/1 #10
1 #12 w/1 or 2 #10 2 #16 w/1 to 3 #12 1 #20 w/1 to 4 #18, #16 or #14 2 #16 w/1 #14 w/1 or 2 #12
1 #12 w/1 #8 2 #16 w/1 or 2 #10 2 #20 w/1 to 3 #18, #16 or #14 2 #16 w/2 #14 w/1 #12
2 #12 w/1 #10 3 #16 w/1 to 3 #14 3 #20 w/1 or 2 #18, #16 or #14 2 #16 w/1 #12 w/1 #10
WT41
1 to 5 #14 3 #16 w/1 or 2 #12 or #10 4 #20 w/1 or 2 #18, #16 or #14 3 #16 w/1 #14 w/1 #12 or #10
1 #14 Sol. w/1 to 3 #12 4 #16 w/1 or 2 #14 or #12 3 to 6 #22 4 #16 w/1 #12 w/1 #10
1 #14 w/1 or 2 #10 4 #16 w/1 #10 1 #22 Sol. w/1 #20 Sol. 1 #18 w/1 to 4 #16, #14 or #12
2 #14 w/1 or 2 #12 5 #16 w/1 #14 1 #22 w/2 to 5 #20 5 #16 Sol. w/1 #10 Sol.
2 #14 w/1 or 2 #10 2 #18 w/1 to 4 #16, #14 1 #22 w/1 to 5 #18 or #16 1 #16 w/1 or 2 #14 w/1 #12
2 #14 w/1 #8 3 #18 w/1 to 3 #12 2 #22 w/1 to 4 #20, #18 or #16 1 #16 w/1 or 2 #14 w/1 #10
3 #14 w/1 #12 or #10 2 #18 w/1 or 2 #10 3 #22 w/1 to 3 #20, #18 or #16 2 to 6 #18
3 #14 w/2 #12 3 #18 w/1 to 3 #16, #14 or #12 4 #22 w/1 or 2 #20, #18 or #16 1 #18 w/1 or 2 #10
4 #14 w/1 #12 or #10 3 #18 w/1 or 2 #10 1 #22 w/1 #18 w/1 #16
Buchanan B-CAP® Wire Connectors
Buchanan B-Twist™ Wire Connectors
Buchanan WingTwist™ Wire Connectors