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Do you have to change the wiring as well as the circuit when changing to a higher amperage?

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2015-07-15 18:31:58
2015-07-15 18:31:58

Definetely, in 23 yrs I have never had a case that would allow the wire/breaker to remain.

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This doesn't make sense, "current" is "amperage" so the higher the voltage the lower the amperage, and the lower the voltage the higher the amperage.

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A circuit breaker has a specific amperage trip setting. That is the number on the handle of the breaker. When an amperage that is drawn by a load goes higher than the setting on the breaker, the breaker will trip off. This tripping action opens the circuit and drops off the load that was causing a higher than normal amperage.

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A circuit breaker sets a limit on the amount of amperage that can be applied to the circuit's conductor. This is why wires and breakers have amperage ratings. The wires ampacity is matched to the breakers ampacity. If there is a higher that normal amperage capacity, than what the wire is rated for, the breaker will trip the circuit open.

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Usually the current rating for a circuit is higher than the current usually taken. This leaves a little margin for safety.

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Circuitry wire size is based on the amount of amps that the circuit is to draw. The higher the amperage the larger the wire size has to be.


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