Question about Cooper Industries Cooper Wiring 274W Switch and Outlet

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Okay, I have the same problem... It is a cooper combination switch. There are two black wires that are coming out of the back . the instructions don't mention them at all. I am installing a new outlet and want to attach a new light to it. I want this in the bathroom, and I thought GFCI was the way to go. Why do they not include a complete wiring guide FOR THE DEVICE IN THE BOX?>???? I get the whole white wire to silver screw thing, but wtf are the two black wires coming out of the device for??? Do I attach the light to the load connections??? I need help.

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Ok you have GFCI combination switch-plug.

Wires coming out of back of device are connected to "Load" wires.
Load are the black and white wires that go to fan, light, motor.

The black and white wires coming from circuit breaker connect to terminals marked "Line"
Look at back of device for markings.
Black wire from breaker goes to brass screw, white wire goes to silver screw.

There is one more set of screws on device. Device usually arrives with tape over these two screws.
This is what those screws are for: If you are working in a junction box, then three cables enter box.
One cable is for Line wires from breaker box.
Second cable goes to Load (light-fan-motor) that is controlled by switch.
Third cable goes forward to another switch or outlet >> and those wires connect to last set of screws on combo device. Black to brass and white to silver.

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Posted on Feb 17, 2011


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