What kind of wire do you run for a dishwasher?

Dishwasher Circuit

When installing a dishwasher, the circuit should be a dedicated 120/125-volt, 15-amp circuit. This 15-amp circuit is fed with a 14/2 NM wire with a ground. You may also elect to feed the dishwasher with a 20-amp circuit using 12/2 NM wire with a ground.

Should a dishwasher be on its own circuit?

According to the electrical code, the dishwasher should be on its own circuit. The dedicated dishwasher circuit can’t supply any other appliances, lights, fixtures, or outlets. In addition, the circuit that is servicing the dishwasher also needs to have a circuit breaker with at least 15-amps.

Can a dishwasher be direct wired?

So, are all dishwashers hardwired, or are there other options? No, not all dishwashers are hardwired. Instead, you can purchase dishwashers that come prepared with an electrical cord and a three-prong plug. These units will easily connect to a regular wall socket that you’d have in your household kitchen.

Should dishwasher be hardwired?

Dishwashers are preferably hardwired. It is a customary law of the National Electrical Code (NEC) to hardwire our dishwashers. Although it can also be plugged into an electrical outlet and still function properly, it is against the law of the NEC meant to protect us and our household appliances.

How much wire do you need for a dishwasher?

Install the Electrical Circuit

Leave about six feet of cable sticking through the hole by the dishwasher. This will allow the dishwasher to be pulled out during servicing.

Does dishwasher need GFCI 2020?

Another revision to GFCI protection in the 2020 NEC is to section 422.5(A) dealing with appliances that require GFCI protection. This section was revised to include dishwashers. Yes, dishwashers!

Can I put dishwasher and garbage disposal on same circuit?

Can You Run a Dishwasher and Garbage Disposal on the Same Circuit? Yes, the dishwasher and garbage disposal can run on the same circuit. But they are more preferred to be powered by two different circuits rather than one.

Can fridge and dishwasher be on same breaker?

Yes, a dishwasher and refrigerator can be on the same circuit if you can reach the requirements on the NEC. However, you could wake up one morning to find spoiled food in the refrigerator. That’s because the Circuit breaker tripped because of the suppressing workload.

Can I put dishwasher and fridge on same circuit?

AND the dishwasher is cord-and-plug connected, then it is possible to have the fridge and dishwasher on the same 20 ampere small appliance branch circuit.

Can a plumber install a hardwired dishwasher?

Yes, plumbers do install dishwashers! And, you should call a plumber to install your new dishwasher. Many home projects are DIY-appropriate, but when it comes to installing an appliance that requires plumbing know-how, it’s best to call a licensed professional to ensure installation success.

Can you have a junction box behind a dishwasher?

Each dishwasher comes with a junction box (with power cord) to be installed in a cabinet next to the dishwasher cutout. It can be installed by an installer, servicer, technician, electrician or other qualified professional and is intended for hard-wired installations.

Does dishwasher outlet need to be GFCI?

GFCI protection is not required for receptacles serving appliances like dishwashers, or convenience receptacles that do not supply countertop surfaces. Receptacles installed within 6 ft of the outside edge of a wet bar sink must also be GFCI-protected [210.8(A)(7)].

Where do you put a dishwasher outlet?

The receptacle should not be behind the dishwasher. To access it; you would have to remove the dishwasher. Just like the dishwasher drain and water line that go to the sink water valve and drain; the dishwasher electric cord plug should go to a receptacle under the kitchen sink.

Will a dishwasher trip a GFCI?

But most likely the GFCI is fine and the dishwasher will trip any GFCI-protected receptacle, and other appliances are just fine on this receptacle. If that’s the case, the problem is in the dishwasher. Any major appliance could have non-dangerous leakage that trips an AFCI or GFCI.

What size breaker do I need for a dishwasher?


The dishwasher needs a single-pole breaker that has at least 15amps. If you operate the dishwasher on the same circuit breaker as the garbage disposal, you need to use a 20 Amp breaker.

Why does my dishwasher keep tripping my electric?

Water Leaks or Damp

This can cause the dishwasher to trip – either when it’s sitting on idle, or when it’s mid-wash. A water leakage within the internals of the machine may also be causing such a problem. Irrespective of whether it’s a leak or dampness, water and electrics simply don’t mix.