seal offs class 1 division 2

[PLB]

Are seal offs required at a jbox or T condulet in a class 1 div.2 location

 

[rbalex]

Not usually.

1. Only where the enclosure is required to be explosionproof.[See Section 501.15(B)(1)]
2. See Section 501.10(B)(4) for when an enclosure is required to be explosionproof.