correct wire size??

Reply Thu 7 Jan, 2016 10:42 am
I have 3 number 6 wires running a 150 feet from my meter pole to my shop where I have a 100 amp box. I am planning to have lights, ceiling fans a water heater, fridge and mini-split AC. I don't think number 6 will work should I upgrade to 1/0?

Also is there anyway I can pull four 1/0 wires through 1.5 inch conduit?
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Reply Thu 7 Jan, 2016 12:46 pm
AVG 6 wire can't support 100amps, only about half of that, so if that is what you really need, yes you need to upgrade. Another option would be to see if you really need that much and downsize your box. I don't know how much your AC pulls, but a water heater is typically around 16 and the frig is 5 (typical power usage for the home). The lights and fan are maybe two. You need some overhead for power tools, so it's going to be close.

As for pulling the wire, I would tape them to one of the existing wires and use that wire to pull the new wire through.
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