What is meant by "Explosion Protected"?

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KentAT

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So Allen-Bradley uses the terms "Explosion-Protected" to describe their 800TC- switch contact blocks. I have never seen this term used before. Is this a marketing thing or does "explosion-protected" have meaning in the NEC or UL?
 

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petersonra said:
they can call it anything they want to. it is listed for use in C!D2 areas. That is the important thing.
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From what I can tell it isn't listed for anything. I tried researching it at UL's Certification site which UL has now transmogrified to virtually useless. In any case, I learned to ask manufactures for the UL "E- number" unless the ad material actually indicates a certification mark.

This does not mean the product is unsuitable for Division 2, simply more due-diligence is necessary.
 
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