Why must circuit breaker be hooked in series with a line of appliance even though the line of appliances are hooked together in parallel?
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circuit breaker is responsible for maximum current of all appliances hooked together in a circuit
parallel just means same wires are getting split so single circuit can be used by multiple outlets
(voltage stays the same, current gets added)
and the added total should not exceed max amperage of the circuit
so your house could have 200Amp breaker at the main
split into 10 circuits of 20A breakers
and each circuit can run many electrical outlets
divided into sections of the house
when you run space heater + hair dryer at max in the same circuit
that’s about 1500W + 1800W = 3300W/120V = 27.5A
and easily trip one of the 20A breakers
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