Garbage Disposal Electrical Wiring

Electrical connections for a garbage disposal.

Garbage disposal electrical wiring.

In this episode i wire up a new switch and outlet for a new garbage disposal. You may also elect to feed the disposer with a 20 amp circuit using 12 2 nm wire with a ground. Hi thomas the garbage disposal is typically controlled by a wall switch which is located near the kitchen sink therefore the wiring for the garbage disposal outlet may be identified using a circuit tester to see which wire is controlled by the switch. Choose plastic electrical boxes that have winged hinges on the top and bottom since they re easier to install and don t require a stud as an anchor.

A garbage disposal is typically provided with a 120 volt 20 amp circuit that is shared with the dishwasher. A dedicated 15 amp circuit is required fed by a 14 2 nm cable with a ground. A switch is located at the kitchen counter top area to conveniently operate the garbage disposal. The diagram above shows the power entering into the circuit at the switch box location then sending one power line for the dishwasher and a switched leg for the garbage disposal.

I also wired up the dishwasher and got all the electrical stuf. These wiring diagrams show typical connections. Garbage disposals sometimes called food disposers can be connected to the electrical power supply in one of two ways. 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.

Electrical wiring diagram for a garbage disposal and dishwasher. Garbage disposals do the dirty work of cleaning up the messes after meals. When loaded down with garbage they use a good bit of amperage as they grind up the refuse. Garbage disposal wiring connections must be concealed within the wire compartment box at the base of the unit behind the metal plate depending on your local jurisdiction requirements the garbage disposal might need to be hard wired no plug or connected with an approved cord and plug.

They are sometimes hardwired directly into a dedicated circuit or they can be wired with an appliance cord that plugs into a wall outlet that is usually located inside the sink base cabinet.