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12 answers

The minimum is 6/3 as per national electrical code. I'd run 4/3 because of the length of the run.

Taught NEC to journeymen electricians in NYC.

Two people said 12/3 and 16/3, they are clueless.

2006-09-26 16:15:11 · answer #1 · answered by Anonymous · 1 0

Overhead or underground wiring? Length of run? If you actually will be using close to 100A. on any continuous basis, use #2 Copper. Otherwise, #4 Copper will do for an overhead run of 75' or less. (Air cooling allows the smaller wire.- Use #2 for the service drop where it's in conduit for more than 6' or so, and anywhere it's run inside any structure).

2016-03-26 21:11:18 · answer #2 · answered by Anonymous · 0 0

16-3 should be the best size beause of the load the wire will be carry ing.any thing small will burn the wire cause a shot and in what i have seen an electrical fire i would check with county codes and if you want a safe and the best job you can get hire an electrician. better to pay someone who is certified that try to do it yourself even if yiu have worked in the 100 voltage.even 110 can kill you but 60 amps are in a different voltage category.

2006-09-26 11:28:43 · answer #3 · answered by Anonymous · 0 0

12/3 outside wire

2006-09-24 13:55:40 · answer #4 · answered by Ray L 1 · 0 1

EdW is right.
1- I wouldn't use Aluminum wire though, It is less expensive.
2- If it's a permanent installation, I would use PVC sched 40 and bury it at least 18" deep.

2006-09-20 05:28:25 · answer #5 · answered by norman8012003 4 · 2 0

Definately do not use aluminum. I have both (aluminum and copper) in my house and about once a year the outlet for the microwave shorts out and melts.(That is the aluminum one)
Yeah I know it needs to be fixed, as soon as I meet a rich single rich man LOL

2006-09-25 06:45:04 · answer #6 · answered by richy 2 · 1 0

At that distance 6awg copper why not just increase to 100 amp will run more

2006-09-26 12:31:28 · answer #7 · answered by Anonymous · 1 0

At that distance 6awg copper thwn or 4awg alum. thwn if it is going to be in conduit wire rated at 75 deg. C

2006-09-20 00:54:00 · answer #8 · answered by Ed W 2 · 1 1

Probably 16mm if you want to support 15KW load at that distance, but the calculator at this link might be helpful.
http://www.tlc-direct.co.uk/Technical/Charts/VoltageDrop.html

2006-09-19 22:41:53 · answer #9 · answered by Sangmo 5 · 0 0

Ask them where you buy the wire.

2006-09-26 08:37:44 · answer #10 · answered by LittleLady 5 · 1 0

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