Wiring Instructions for 1812-037
12 Volt DC 1.0A Power Transformer Assembly
Some power transformers may come supplied with a plug-in connector attached to the end of the
supply line. If this is the case, remove the connector by cutting it off from the end of the supply wires.
This is a DC Transformer. Polarity must be observed!
The solid black wire is POSITIVE
.
The wire with the white lettering is NEGATIVE
.
SOLID BLACK WIRE IS
POSITIVE
BLACK WIRE W / LETTERING IS
NEGATIVE
DoorKing P/N 1812-137
Model No. AP2105W
INPUT: 120VAC 60Hz 20W
OUTPUT: 12VDC 1.0A
P/N 1812-165 REV A 5/01