Garbage Disposal Wall Switch Wiring

The red wire powers the garbage disposal s outlet when you turn the switch on.

Garbage disposal wall switch wiring.

If you do not already have the necessary switch controlled wall receptacle outlet adding this wiring is a job best done by a licensed electrician since it involves running cable and making connections at the main service panel. Electrical wiring diagram for a garbage disposal and dishwasher. The black wire from the power source will go on the bottom screw. Most codes require that the garbage disposal must be served by a dedicated circuit that powers no other outlets or appliances.

The black wire from the disposal will go on the top screw. The bare copper wire will screw onto the green screw on the switch. You can use any kind of switch for your garbage disposal as long as it has set on and off positions. I also wired up the dishwasher and got all the electrical stuf.

Running the electrical circuit to power that garbage disposal is another matter however. Loop the exposed end of the 12 3 cable s red wire around the brass screw. These wiring diagrams show typical connections. Tighten the screw with a screwdriver to secure the wire to the switch.

The diagram below shows the power entering the circuit at the grounded outlet box location then sending power up to the switch and a switched leg back down to the outlet. In some cases the original wiring was connected directly to the garbage disposal. This method may be upgraded where a surface mounted receptacle outlet may be installed under the sink and a plug and cord may be installed on the garbage disposal.