A 20-amp gas dryer breaker requires 12-gauge ... it's safer to use a GFCI circuit breaker (for 30 amps) or a dual-function AFCI/GFCI (for 15 or 20 amps) instead because the breaker will protect ...
Your kitchen and bathrooms, with high-watt appliances like hair dryers and microwaves, are on 20-amp ... and circuit breakers must be able to protect against them. A ground fault is a type of ...