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View Full Version : Breaker amperage


merckt
Oct 29, 2007, 05:14 PM
What amp breakers are typiclly used in residential for dryer , washer, dishwasher, glass cooktop, separate oven, 4 ton package unit, bath gfi, etc?

tkrussell
Oct 30, 2007, 02:32 AM
Typically:

Dryer -2 pole 30 amp
Washer - 1 pole 20
Dishwasher - 1 pole 20
Glass cooktop - 2 pole 30
Oven - 2 pole 30
4 ton package unit- 2 pole 30
Bath gfi - 1 pole 20
Etc?- Anyone's guess

And I stress "typically".

Do not just go out and buy these breakers because I say so.

Each appliance needs to be evaluated for load in amps or wattage, each has it's own derating of circuit size, usually 125% of nameplate load, to size the branch circuit wire and breaker size.

What caused you to ask this question?