House Wiring Diagrams and Project Guides Wiring Diagrams for 3-Way Switches-Diagrams for 3-way switch circuits including: with the light at the beginning, middle, and end, a 3-way dimmer, multiple lights, controlling a receptacle, and troubleshooting tips.
Light Switch Wiring Diagrams This is an updated version of the first arrangement. Because the electrical code as of the 2011 NEC update requires a neutral wire in most new switch boxes, a 3-wire cable runs between the light and switch. The red and black are used for hot and the white neutral wire at the switch box allows for powering a timer, remote control, or other programmable switch.
3 Way Switch Wiring Diagrams On this page are several wiring diagrams that can be used to map 3 way lighting circuits depending on the location of the source in relation to the switches and lights. Also included, are diagrams for 3 way dimmers, a 3 way ceiling fan switch, and an arrangement for a switched outlet from two locations.
Wiring Diagrams for Household Doorbells Wiring Diagram for a Two Chime Doorbell Wiring for two doors is the same as for one with the transformer hardwired to the 120 volt source from a house circuit. Connect the input wires on the transformer to the source circuit using the black to black, white to white, and ground to green method.
DoDoorbell Wiring Diagrams. If you're putting in a new hardwired doorbell or you need to repair an existing one, the diagrams on this page illustrate the most common installations you will find. Included are wiring for a typical hardwired doorbell with a transformer, a two-button doorbell, an old house doorbell powered by a battery, and an ...
Wiring Diagrams for GFCI Outlets Wiring GFCI Receptacles with a Protected Outlet. This gfci wiring provides protection to a duplex receptacle outlet at the end of the series. By connecting the load terminals on the last gfci, the wall outlet at the end is protected and can be used just as if it were one of the gfci receptacles.
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Wiring Diagrams for Receptacle Outlets Wiring a 20-Amp 240-Volt Appliance Receptacle. This outlet is commonly used for a heavy load such as a large air conditioner. The outlet should be wired to a dedicated 20-amp/240-volt circuit breaker in the service panel using 12|2 awg cable.. With this wiring, both the black and white wires are used to carry 120 volts each and the white wire is wrapped with electrical tape to label it hot.