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I have 200 amp service. I want a subpanel to handle my garage outlets hot tub and a small welder. besides normal power tools such as a miter saw table saw and ets. I have 3/4 inch pipe ran to my garage already. What are your recmondations. is 60amp #6 wire enough. Can I bulk up the wire such as a #4 run 3 runs in 3/4inch pipe even though its over kill?

Steve K
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1 Answers1

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You need 4 wires for a subpanel (neutral and ground separated) - as such, 6AWG is all that fits - 4 AWG would require 1" conduit at a minimum (even for 3 wires.)

I don't keep this in my head - I use this, or one like it:

http://www.electrician2.com/calculators/rf_calculator.html

Ecnerwal
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