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The electrical requirements for my welder call for a 50 amp, 250 volt 2 pole, 3 wire grounding type receptacle. The green wire goes to ground. If I wire this to my main panel, neutral and ground go to the same bus, no problem. However, I am using a subpanel in which the ground and neutral must be isolated. To code, where does the green wire go in the subpanel? to ground or neutral? Thanks,
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The ground for the welder receptacle should go to the ground buss in the sub panel.quote:Originally posted by TeePee
The electrical requirements for my welder call for a 50 amp, 250 volt 2 pole, 3 wire grounding type receptacle. The green wire goes to ground. If I wire this to my main panel, neutral and ground go to the same bus, no problem. However, I am using a subpanel in which the ground and neutral must be isolated. To code, where does the green wire go in the subpanel? to ground or neutral? Thanks,
A.D -
In a sub panel you need to attach the ground wire to a ground bar.
Some subpanels don't have these. If that's the case you need to install one. $5 at Home Depot. Screw it into the panel. Make sure the panel has a good metal ground to either the main panel or a metal water pipe or submerged ground bar.
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