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Dimensions and Wiring Identification For Rotary Dimmer Switch # 37215235


What are the cutout and face dimensions? #2 My dimmer has 2 wires - red and white IN and 2 wires - red and black out. 4 wires total Will this dimmer work and how is it wired? Thank You


Expert Reply:

The Rotary Dimmer Switch # 37215235 is 3-9/16" tall, and 2-3/16" wide. The cutout section is 2-9/16" tall and 1-3/4" wide.

The red wire is for connecting to your 12 volt positive power source while the white wire leads to the positive terminal on the light fixture. The ground wire will connect straight to the battery or other 12 volt ground source. When replacing your switch you will be able to tie your negative wires together at the switch to complete this circuit. Be sure to use a connector like the Deka Heat Shrink Butt Connector # DW05743-5 to ensure the wires stay connected.

expert reply by:
Gregory M

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