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#69194 09/01/06 06:38 PM
Joined: Aug 2005
Posts: 251
T
Member
Any good websites for wire derating, conduit fill, motors and transformers? Tutorials or something...

Especially derating & conduit fill. I remember that, and basic 3 phase ohms law was the most predominant when I took the J test.

Trying to help a buddy.


Shake n Bake
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Joined: May 2003
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e57 Offline
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Derating and conduit fill are right in the code book. And most other calculations can be found in an Uglys.


Mark Heller
"Well - I oughta....." -Jackie Gleason
Joined: Jan 2003
Posts: 4,391
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If you don't know "Uglys" is a good book every electrician and apprentice should have.

You can get it here or most major book stores have it along with many supply houses.


Bob Badger
Construction & Maintenance Electrician
Massachusetts
Joined: Feb 2005
Posts: 693
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Mopar man, how about just coming up with a few scenarios for your friend to calculate numbers for, such as a made-up house or two, a couple of industrial machines and feeders, etc?


Larry Fine
Fine Electric Co.
fineelectricco.com
Joined: Jan 2005
Posts: 316
L
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You might want to go to www.mikeholt.com
There are practice tests at that site plus a world of information and study guides for sale.

Joined: Jan 2005
Posts: 39
S
Member
The Illustrated guide to the NEC is good as well as Commercial Electrical wiring. Both available at Mike Holt, like luckyshawdow said.


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