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  1. Top | #1
    Junior Member
    Join Date
    Nov 2019

    3 Phase sub panel

    Hello everyone, so I want to add a sub panel towards the middle of my shop which would be around 100í from the main panel. I have 208V Wye 3 phase coming into my shop. Main reasons I wan to add a sub panel is I got two new pieces of equipment that run off of 3 phase and I want to add some interior and exterior lighting so I donít want to keep making those long runs of wire from the main panel. Questions are is the ground wire ran back to the main panel or is it grounded closer to where the panel would be? 4 gauge wire would be adequate? Any other things to consider ?

    TIA for any help.

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