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Mike G.
Mike G., Master Electrician
Category: Electrical
Satisfied Customers: 7653
Experience:  Proven Professional 48 years Experience
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On a three phase, 200A travelling disconnect panel with

Customer Question

On a three phase, 200A travelling disconnect panel with *nothing* connected, I get 120V from each phase to ground, *and* 120V from neutral to ground.
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: While I wait for the facillities engineer to show up, I'm wondering what that could be. "
JA: Do you plan on doing the work yourself?
Customer: I just got here this morning, and was testing my source before hooking up my temporary (show) distro.
JA: Anything else we should know to help you best?
Customer: Do you knwo what the voltage between phases should be?
Submitted: 1 year ago.
Category: Electrical
Expert:  Mike G. replied 1 year ago.

Hi, I'm Mike and I'll be assisting you. Got me on the term "traveling". You should have 208V phase to phase, 120V phase to neutral, 120V phase to ground and zero volts neutral to ground.