Wire size for a 400 amp service

strangeelectric Posts: 1, Reputation: 1

New Member

Mar 17, 2008, 10:26 AM

Wire size for a 400 amp service

Anyone know the minimum wire size and conduit I can use for a 400 amp service for my apt building?:confused:

stanfortyman Posts: 5,598, Reputation: 279

Electrical & Lighting Expert

Mar 17, 2008, 10:40 AM

#2AL or #4CU

stanfortyman Posts: 5,598, Reputation: 279

Electrical & Lighting Expert

Mar 17, 2008, 10:45 AM

Are you the electrician or the owner?

Add your answer here.

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