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-   -   Advice on current NEC codes to clear up wire size and service issue (http://www.diychatroom.com/f18/advice-current-nec-codes-clear-up-wire-size-service-issue-39671/)

DIYALLTHETIME 03-05-2009 12:25 AM

Advice on current NEC codes to clear up wire size and service issue
 
I live in Northern California and have a Rural Owner Builder permit and am in the process of setting our power pole and Meter panel for imminent PGE connection, (after sign off from County).
I have requested a 200A supply and have gone back and forth with several people all who have been very helpful in suggesting the appropriate wire size and I found out today that Humboldt County requires only two hot legs and a neutral leg (all same size- 3 wire) from pole through Meter panel via buried 3 "conduit to house Main lug loadcenter both Meter panel and Loadcenter will be 8' Cu ground rod earthed The Loadcenter is 210ft away from the hand off I will get at the pole weatherhead from PG&E.
I was informed by a member today that according to NEC 310.14(b)(6) for 225A service you need 2/0 copper. He stated that this does
not take into account voltage drop, and I will likely want to upgrade in
size to account for the distance. Going up to 3/0 will more than
likely be completely adequate in the real world. I fully agree.
Is this NEC section applicable now as of March 2009 for the wire sizing.
I want a 200A supply and will run three legs of 3/0 Copper and hope an electrical contractor will sign it of as from the county today after mentioning 200A service and 210ft run I was quoted 250kcmil ( 4 times larger than 3/0!!!) So who will sign this off if I run all conductors 3/0 Cu

Bocolo 03-05-2009 06:27 AM

You are posting the same information on different posts. You may have better luck with keeping everything under one post and it would be easier for people to respond.

Speedy Petey 03-05-2009 07:24 AM

Yes really. PLEASE stop staring a new thread every time you add or change information. This is the third thread on the same topic.


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