In this episode i wire up a new switch and outlet for a new garbage disposal.
Garbage disposal electrical wiring.
Garbage disposals do the dirty work of cleaning up the messes after meals.
Look for standard electrical boxes that are about 2 3 inches 5 1 7 6 cm deep for both the switch and the disposal so you have room for all of the wiring.
Garbage disposal circuit.
Buy electrical boxes for your switch and disposal outlet.
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.
When loaded down with garbage they use a good bit of amperage as they grind up the refuse.
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.
A dedicated 15 amp circuit is required fed by a 14 2 nm cable with a ground.
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.
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.
Electrical wiring diagram for a garbage disposal and dishwasher.
Electrical connections for a garbage disposal.
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.
Garbage disposals sometimes called food disposers can be connected to the electrical power supply in one of two ways.
I also wired up the dishwasher and got all the electrical stuf.
A garbage disposal is typically provided with a 120 volt 20 amp circuit that is shared with the dishwasher.
You may also elect to feed the disposer with a 20 amp circuit using 12 2 nm wire with a ground.