Wire Size For 100 Amp Sub Panel 200 Feet Away . I got with a 5% vd 1/0 cu and 3/0 at 3% drop. This gives you the opportunity to run two 120v circuits off two different.
What Most Techs Get Wrong About Wire Sizing 2017 09 18 Achrnews from www.achrnews.com What size wire do i use. The ampacity of the conductor used determines that. What size wire do i need for a 100 amp service to a meter base underground about 75 feet from the main service power line.
I will be pulling 78 amps(my welder) on a regular basis and also want to be able to run a phase converter and a bridgeport(or similar) milling machine.
The big draws like the welder and compressor and milling. Mount the subpanel about a foot away from the main service panel. The ampacity of the conductor used determines that. You would need 4 gauge wire if you plan on running it up to 12 feet.12 gauge wire would work in a setup under 2 feet of wire.if you want to run the wire.
