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93XM

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IBEAM68

IBEAM68

Mechanical
Jan 9, 2009
1
CA
Would any body know what does 93XM mean and where can I find more info on this? It is engraved on a PVC electrical outlet box (for concrete walls) and its supposed to be a Fire Resistance Rating. Thanks.
 
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No idea. Never heard of it.

Could be a manufacturer's part number, tool number, date code, etc. Is it actually engraved or moulded in (commonly as raised lettering, but not necessarily)

PVC is inherently flame retardant and good for UV too. Hence it's use for guttering, fascias, electrical stuff.


Cheers

Harry



 
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It's also unknown to me.

FR ratings are normaly UL***, like UL v*** or UL HB

Regards
Pat
See FAQ731-376 for tips on use of eng-tips by professional engineers for professional engineers
 
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