I have a small building rated Class I, Div. 1 and will have an instrument junction box with only terminal strips to land single pair cables on one side and a home run multi pair cable on the other end, nothing else in the box and the voltage will be 24V DC. Does the box need to be Class I, Div. 1 rated?
Instrument wiring Junction Box
- Thread starter deziedad
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- Mission Viejo, CA
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- Professional Electrical Engineer
UNLESS it is an intrinsically safe installation, see Section 501.10(A)(3); otherwise, see Article 504 and its far more complex requirements. For possible sealing requirements, see Section 501.15(A).
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