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NEC500 / NEC505

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magneticted

magneticted

Electrical
Joined
Mar 5, 2004
Messages
51
Location
DE
From the point of view of electric motors whereas UL are moving to harmonizing the US zone requirements etc.Are class 1 division 1, and class 1 division 2 still applicable, or is now the correct thing to do to offer class 1 zone 1 or class i zone as the case maybe. Or are the two concepts runninig in parallel.And they choice is still down to the specifier
 
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