NEC 110.3(B) Interpetation

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wkite

New member
I have a question, if we have a piece of equipment that came in with a name plate indicating 230 VAC. We want to feed it with 208 VAC. Our problem is that the equipment has a diagram indicating that it can be wired from 180 to 240 VAC providing we change the internal wiring as needed. Can we leagaly do this according to 110.3(B)?
 
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bphgravity

Senior Member
Location
Florida
Re: NEC 110.3(B) Interpetation

Yes, the listing and labeling instructions are not violated. It is possible a manufacturer's instruction is violated if it is not connected per their diagrams.
 
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jbwhite

Senior Member
Re: NEC 110.3(B) Interpetation

The manfacturers instruction are part of the listing and labeling. Follow them.
 
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