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Q: What size of breaker for 2 wire cu?
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What size breaker do you need for two 60W bulbes 110 volts?

It is not the number of bulbs that you worry about. It is the wire size that is your concern. If the circuit is wired with AWG 12/2 wire then use a 20 amp breaker. If it is wired with a AWG 14/2 wire then use a 15 amp breaker. You are protecting the wiring with the correct size breaker.


What size amp circuit breaker should be used for 110 outlet?

The size breaker you use is determined by the size wire used in the circuit. If you use AWG #12/2 wire then use a 20 amp breaker. If you use AWG # 14/2 then use a 15 amp breaker.


What size breaker should be used for a TNIA-10 wire?

running wire 12-2 300ft w/9ea. 27watt lights what size breaker should be used


Can I you use existing 8 3 wire hooked to a 30amp breaker was hooked to old electric heater to wire a heater that requires 10 2 wire its a 5000watt 240volt heater?

Yes the wire size is larger for that size breaker but will not effect the 30 amp breaker protection of that circuit.


What best breaker rating for 1.5 hp air con unit?

The breaker you use is determined by the size of the wire in the wall not by what is being connected to that circuit. If you have 14/2 wire then use a 15 amp breaker. If you have 12/2 wire then use a 20 amp breaker. The breaker protects the wiring not the item connected.


What best breaker rating for 1.5 hp air-con unit?

The breaker you use is determined by the size of the wire in the wall not by what is being connected to that circuit. If you have 14/2 wire then use a 15 amp breaker. If you have 12/2 wire then use a 20 amp breaker. The breaker protects the wiring not the item connected.


What size Aluminum wire is used for ground in breaker box?

For a 100 Amp breaker panel it would be 2 AWG. For 150 Amps it would require 2/0 (2 ought) aluminum wire.


What size wire and breaker do you need for a 200 amp continuous duty circuit?

AWG 2/0 copper wire.


What size circut breaker for 10-2 wire?

A #10 wire has the capacity for 30 amps. No breaker larger than 30 amps should be used to protect the circuit.


Can you wire 2 bedroom on 1 breaker?

You can't wire 2 beedrooms on one breaker.


Can 10-2 wire carry 220 volts?

Yes as long as you use the correct size breaker.


What size circuit breaker for GFCI circuit in a normal size bath?

Normally it is a 20 amp using AWG 12/2 gauge wire. But it really depends on what size wire is on that circuit. If it is white AWG 14 gauge then use a 15 amp breaker. If it is yellow AWG 12 gauge then use a 20 amp breaker.