Dedicated appliance circuits in Denver
Some appliances have to be alone on a circuit, and the nameplate on the unit decides both the conductor and the breaker.
A dedicated circuit serves one appliance and nothing else. Between code and manufacturer instructions, that covers ranges, wall ovens, cooktops, dishwashers, disposals, and laundry equipment, plus at least two small-appliance branch circuits serving the kitchen counters that carry no other loads. Sizing comes off the appliance nameplate, which states the amperage or wattage the circuit has to support, and the receptacle configuration has to match the cord the appliance ships with.
The two common reasons to add one are an appliance swap and a nuisance trip. Replacing a gas range with an electric or induction unit means a new 240 volt circuit where only a small ignition receptacle existed, and the same goes for a gas dryer traded for electric. On the other end, a breaker that trips whenever the microwave and the toaster run together is usually a shared circuit that was adequate for the loads of an earlier decade.
what appliances need a dedicated circuit?
Anything fixed in place with a large or continuous draw: the range or cooktop, a wall oven, the dishwasher, the disposal, the clothes dryer, the washer, and in current work the refrigerator. Portable countertop appliances share the kitchen small-appliance circuits instead.
can a refrigerator share a circuit with other outlets?
It does in plenty of older installations, but it is a poor arrangement. A compressor cycling on a circuit shared with countertop loads invites tripping, and losing that circuit while you are away means losing the food in the box.
do I need a 240 volt circuit for an induction range?
Yes. Induction ranges and cooktops run on 240 volts and typically want a 40 or 50 amp circuit depending on the nameplate, so a kitchen converting from gas needs a new circuit pulled from the panel rather than an adapter on the existing receptacle.
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