electrical wiring

bgordon0020April 17, 2013

I am converting an out building to a home office....the building is 250 ft from my home meter pole...what grade wire will I need to run electricity from my house to this building. building size is 14x24. it will have bathroom, small kitchen area, window heat/air

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Ron Natalie

An electrician can do a proper load assessment (your list is a bit nebulous). Guessing at 50A load at 250' , #4 Copper. You'll need either 4 conductors rated for wet locations in a conduit (THWN for example) or a cable with three conductors and a ground rated for direct bury if you want to go that way.

You'll also need to install a grounding electrode system at the outbuilding.

    Bookmark   April 17, 2013 at 4:47PM
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Also, coming from the "meter pole" may be quite a bit of work.

There is a near 100% chance you CANNOT simply come from the existing meter base. More likely it will need to be replaced with a feed-thru panel/base which will give you breaker space for the sub-feed to the office.

    Bookmark   April 17, 2013 at 5:24PM
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