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Q: What gauge wire do you need to run a 30 amp circuit 100 feet?
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What number wire gauge for a single pole light switch?

In residential wiring applications the most used is 14 gauge wire for light switches as long as the circuit breaker or the fuse is 15A. If your lighting circuit is on a 20A fuse/circuit breaker then you need to use 12 gauge wire


Can you connect 14 gauge wire to 12 gauge wire on a 20 amp breaker if the 14 gauge is the end of the run and dedicated to lights?

yesAnother (corrected) answer.NO! The circuit breaker is there to protect the wiring from overheating. It wouldn't matter where on the circuit you decided to put the 14 gauge wire, you would need to change the breaker to 15 Amp if you did that. Using 14 gauge wire on a 20 amp circuit is a fire hazard and contrary to UBC. Contact your local building and zoning department to verify.


What gauge wire to run 3250 watts 240 volts 60 feet along 40 amp circuit for oven in residence?

There's something wrong here. 3250 watts on 240 volts is only 13.5 amps, not 40. And that would be 12 gauge wire on a 20 amp circuit. But that seems low for an oven. If it truly is a 40 amp appliance then the gauge would be #8 wire. The wiring info that comes with the appliance should tell you everything you need to know.


Can you use 10 gauge wire with a 40 Amp circuit 65 feet long?

A #10 copper conductor with an insulation rating of 90 degrees C is rated at 30 amps. A 40 amp circuit would need a #8 wire. To do a voltage drop calculation for a distance of 65 feet, a voltage of the circuit must be stated. Depending on the answer obtained from the calculation you might have to jump up one more size to #6.


Can you run 8 gauge thhn wire for 30a circuit?

yes

Related questions

What size wire for 100 feet 20 amp circuit to run pond fountain?

12 gauge underground wire or if you think you will ever add any devices to this circuit use 10 gauge.


What number wire gauge for a single pole light switch?

In residential wiring applications the most used is 14 gauge wire for light switches as long as the circuit breaker or the fuse is 15A. If your lighting circuit is on a 20A fuse/circuit breaker then you need to use 12 gauge wire


What type of wire gauge is used for a 30amp circuit?

10 gauge


What gauge wire for a 60 amp circuit?

AWG #6 wire.


What gauge wire would I need for 2500 feet for 240 volts and 0.4 amps?

A #14 wire will do the job.


Can you connect 14 gauge wire to 12 gauge wire on a 20 amp breaker if the 14 gauge is the end of the run and dedicated to lights?

yesAnother (corrected) answer.NO! The circuit breaker is there to protect the wiring from overheating. It wouldn't matter where on the circuit you decided to put the 14 gauge wire, you would need to change the breaker to 15 Amp if you did that. Using 14 gauge wire on a 20 amp circuit is a fire hazard and contrary to UBC. Contact your local building and zoning department to verify.


What size wire do you need for 220 feet?

Cannot answer this question. Will need to know the voltage and amperage of the circuit. Also need to know the application i.e. is it a lighting circuit or a motor circuit?


What gauge wire do you need for 100 watts over 10 feet?

To answer this question a voltage has to be stated.


What gauge wire to run 3250 watts 240 volts 60 feet along 40 amp circuit for oven in residence?

There's something wrong here. 3250 watts on 240 volts is only 13.5 amps, not 40. And that would be 12 gauge wire on a 20 amp circuit. But that seems low for an oven. If it truly is a 40 amp appliance then the gauge would be #8 wire. The wiring info that comes with the appliance should tell you everything you need to know.


What size wire in a 40 amp 12 volt circuit?

Use 8 gauge wire.


What gauge wire should be used with a 60amp circuit breaker?

Use AWG # 6 wire.


Can you run 14 gauge wire off 12 wire to a receptical?

No, you can never mix wire sizes in a circuit.