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Mike G.
Mike G., Master Electrician
Category: Electrical
Satisfied Customers: 7589
Experience:  Proven Professional 48 years Experience
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I have a three phase connection with 2 hot L to N at 120v

Customer Question

I have a three phase connection with 2 hot L to N at 120v and one L to N at 240v . All L to L read 240v when tested. Is there a problem with the connection? It also reads this why at the breaker box.
Submitted: 1 year ago.
Category: Electrical
Expert:  Mike G. replied 1 year ago.

Hi, I'm Mike G and I'll be assisting you. What you have is a 120/240V 3 phase Open Delta Service. It is as it should be.