How To Wire A Garbage Disposal With A Plug-in Cord

The switch only interrupts the black wire hot to the disposal unit. Any GFCI trip from either appliance, turns off both appliances. I want to install GFCI protection for both of these outlets.

Ideally, I would like to install a GFCI outlet for the current garbage disposal outlet, and have it protect both the garbage disposal and dishwasher outlets. I still need the garbage disposal outlet to be switch-activated, but I do not want that switch to also activate the dishwasher outlet. If you’ve just purchased a new dishwasher and you’d like to connect it to a garbage disposal for effective drainage, you’ve come to the right place. Both garbage disposals and dishwashers are generally attached to a kitchen sink for water to drain appropriately once the washing cycle is complete. Fully explained dishwasher disposal wiring diagrams with pictures for wiring the outlet.

designer sink flange

The ground wires will carry electricity away from the disposal in case there’s an electrical surge. Wrap the red wire around the top brass screw on a switch. Hold your switch upright so the On position points to the top. Locate the brass-colored screw, which is usually on the right side of the switch. Loop the exposed end of the 12/3 cable’s red wire around the brass screw. Tighten the screw with a screwdriver to secure the wire to the switch.

Sometimes the black wire will be a different color, such as red or blue. It’s a good idea to check that the sink flange hasn’t moved while you are tightening the bolts. Simply remove the garbage disposal from the sink and check that the writing is still facing you. Place a 1/2 inch rope of plumber’s putty around the drain opening in the sink. Drop the new sink flange into the drain opening and press it into place.

The electrical boxes will hold the wires so they don’t get tangled or caught inside your walls. Typically, you would place outlets for garbage disposals underneath the sink or in a cabinet. Garbage disposals always include an inlet pipe or nipple for connecting adishwasherdrain hose. This is typically located near the top of the unit housing and feeds into the grinding chamber. The dishwasher hose fits over the nipple and is secured with a hose clamp.

Have a partner help you hold the disposal in place while you’re tightening the various parts, since it can be hard to do this on your own. Some of the plumber’s putty will have squeezed out around the flange. Models with lower horsepower, usually about 1/3, are suitable for small households with a small amount of food waste.

How to Wire a Garbage Disposal and a Dishwasher Outlet

Cords are not sold with disposals and must be purchased separately. Be sure to use a grounded cord with the appropriate voltage and amperage ratings for your garbage disposal. It’s usually easier to connect the cord to the disposal before mounting the disposal under the sink, but you can also complete the wiring after the unit is mounted. Even novice DIYers can easily do the work of connecting a plug-in appliance cord to a garbage disposal. Running the electrical circuit to power that garbage disposal is another matter.

garbage disposal flange

Begin to install a garbage disposal by removing the appliance from the packaging. Make sure to face the trap the correct way, with the sharp bend below the tailpiece. It may be tempting to turn it the wrong way in order to fit it into a small space, but it doesn’t work properly this way and may leak. You’ll know your disposal is jammed or clogged when the motor hums but the disposal doesn’t grind, is overly noisy, or runs and then stops before you turn it off. Don’t continue to run the disposal when it’s jammed—this can burn out the motor.

Garbage disposals can be connected to the electrical power supply in one of two ways. Your old discharge tube probably won’t be the right length for your new disposal. If it’s too long, simply connect it to the disposal, mark it and cut it with a hacksaw for your garbage disposal installation. To avoid this, make sure the new garbage disposal installation kit includes a tube, or buy one separately at the same time for about $3. Disposal wiring diagram 1 disposal wiring diagram 2 the course. Web disposal wiring diagram 1 disposal wiring diagram 2 the course of for wiring a switched rubbish disposal with an elective dishwasher step one step two step.

Follow the below steps to wire your garbage disposal to a power cord or hard wire it to the mains. The easiest way to apply that force is to squeeze them together using tongue-and-groove pliers, such as Channellocks. If your old sink flange is undamaged and tight, with no signs of leakage, you can probably leave it in place. Chances are good that the mounting brackets on the new unit will fit just fine. To find out, remove the old disposal and install the new flange on it.

garbage disposal air switch

For Evolution models, insert the Quiet Collar® Sink Baffle into the sink opening by pressing it into the sink until it snaps into place. This diagram illustrates the wiring for a cooper gfci combo switch device to control a garbage disposal. Web the red wire runs from garbage disposal to the outlet. Web fully explained dishwasher disposal and wiring diagrams with pictures for wiring the outlet that serves a dishwasher and a garbage disposal. Fully explained dishwasher disposal wiring diagrams with pictures for wiring the outlet that serves a dishwasher and a garbage disposal. 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 .

A 12/3 cord has 1 black hot wire, 1 red hot wire, 1 white neutral wire, and 1 green or bare ground wire. The underside of the disposal unit is where you find two features that help when the unit is jammed or stops working. Disposals have an internal switch or breaker that trips when the unit is jammed, to prevent the motor from overheating. Pull out the black and white wires in the wiring compartment Inside the wiring compartment are two wires; one colored white and the other black. James Hornof is a Master Electrician and the Owner and President of B & W Electric based in Denver, Colorado.

Connect the white cord wire to the white wire on the disposal, using a wire connector. Connect the black cord wire to the black wire of the disposal with a wire connector. Many cords have stripped wires; if so, you can skip this step.