grounding electrode conductors

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grounding electrode conductors

#62269 02/12/06 02:37 PM

Joined: Feb 2006

Posts: 78

wilm,de.

L

lite bulb

OP

Member

when derating sevice conductors 4/0 for 3/0 copper for a 200 amp service do you use #2 for the grounding electrode conductor or #4.

[This message has been edited by lite bulb (edited 02-12-2006).]

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Re: grounding electrode conductors

#62270 02/12/06 07:04 PM

Joined: Jul 2004

Posts: 10,043

Likes: 37

Estero,Fl,usa

G

gfretwell

Member

There is no relief in 250.66 for derated service conductors. If it is 4/0 copper you need the #2

[This message has been edited by gfretwell (edited 02-12-2006).]

Greg Fretwell