Use edison base with 277

mbrooke

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Nominal, and I think I should have said >300VAC.

This chart is about impulse testing levels for the different voltage classes, but it indicates where the divisions are. (Red highlights are not mine, it's part of the image).

Thanks. What standard is this from graph from?

Myabe I'm wrong, but as I read it a 250 volt socket will work on 277 volts?
 
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