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#46828 - 01/03/05 12:26 PM Help NEC
AndyP Offline

Registered: 08/11/04
Posts: 17
What size copper wire would you use if the circuit ampacity did not exceed 40 amps?

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#46829 - 01/03/05 12:28 PM Re: Help NEC
Coastal Offline

Registered: 12/17/04
Posts: 22
Loc: Kill Devil Hills, NC 27948
#8 copper or #6 aluminum.

#46830 - 01/03/05 12:38 PM Re: Help NEC
AndyP Offline

Registered: 08/11/04
Posts: 17
Thanks, man I'm confused. I'm in my first year and my instructor is throwing NEC stuff at us. I guess it's a good thing though other instructors don't agree with him. I'm just glad he's doing it because NEC is a big part of being an electrician.

#46831 - 01/03/05 03:23 PM Re: Help NEC
CTwireman Offline

Registered: 02/07/02
Posts: 839
Loc: Connecticut, USA

I don't know what state you're in but here it's standard practice for 1st year apprentices to start learning the code on day 1. Get used to it.

It's never to early to start learning the code, and if you stick with it, you'll be learning it for the rest of your life.

Let me give you some advice, if you don't mind. If you have a question, don't hesitate to discuss it in class with your instructor.

Posting a question and getting an answer is not doing you any good. All you get is an answer and you haven't learned anything. If you are really stumped on something or your instructor is not making something clear enough, ask away by all means.

Don't be afraid to ask lots of questions in class. That's why you have an apprenticehip and classroom instruction: to discuss and learn trade practice and the NEC. Take advantage of this valuable time to learn as much as possible; you will be much better off later on.

I hope this helps.

Peter D.

[This message has been edited by CTwireman (edited 01-03-2005).]

#46832 - 01/04/05 03:18 AM Re: Help NEC
Steve Miller Offline

Registered: 08/30/01
Posts: 322
Loc: Loudoun Cty, VA
I know "8 CU or 6 Al" is just a code referenced answer, but do they let you use #6 Al in your area? Around here all the local AHJs allow nothing smaller than #2 Al.

#46833 - 01/04/05 03:35 AM Re: Help NEC
iwire Offline

Registered: 01/05/03
Posts: 4343
Loc: North Attleboro, MA USA
Steve is that local amendment?

The NEC still allows the use of 12 AWG AL if you could find it.

AL of today is a different AL then the 1970s.
Bob Badger
Construction & Maintenance Electrician


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