Electrical sleeves

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Djelite

Senior Member
Location
Ny
Occupation
Electrician
Im i right when i say that the nec requires a sleeve to be placed between walls ceilings and floors for any conduit penetrations but the ul white book advices against this?
 
No, the NEC has no say in the matter.

Roger
 
You should look into the UL Orange Books. AKA The Fire Resistance Directory

Roger
 
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