Canadian Standard Voltages

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I need to be sure

I need to be sure

So is it completely the same? Are the systems:

120/240V, 1PH.
120/208V, 3PH, 4W.
277/480V, 3PH, 4W.

The reason I ask is that I have seen 347V on lighting fixture literature and 575V on rooftop equipment cuts. I'm working on a fairly large food oil processing facility and would appreciate specifics as to the electrical systems.

Thanks again.

Craig
 
So is it completely the same? Are the systems:

120/240V, 1PH.
120/208V, 3PH, 4W.
277/480V, 3PH, 4W.

The reason I ask is that I have seen 347V on lighting fixture literature and 575V on rooftop equipment cuts. I'm working on a fairly large food oil processing facility and would appreciate specifics as to the electrical systems.

Thanks again.

Craig

347 V is just a single phase of a 600 V three phase system. Three phase 600 V systems are everywhere in the US, it is just uncommon (at least from what I've seen) to pull a single phase off of that system.

575 V = 600 V. Nothing new there. Just like you hear 110/115/120 and 220/240 all the time. It means the same thing.
 
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