class 1 div 1

[rayertz]

intrinsically safe wiring in a class 1 div 1 location. Trying to wire transmitters either free air or via seal tight. Any tips?

My contractor purchased cable good for CL 1 Div. 2. Still trying to use it.

 

[don_resqcapt19]

intrinsically safe wiring in a class 1 div 1 location. Trying to wire transmitters either free air or via seal tight. Any tips?

My contractor purchased cable good for CL 1 Div. 2. Still trying to use it.

In general, you can use any wiring method you want to for the intrinsically safe wiring.

504.20 Wiring Methods. Any of the wiring methods suitable for unclassified locations, including those covered by Chapter 7 and Chapter 8, shall be permitted for installing intrinsically safe apparatus. Sealing shall be as provided in 504.70, and separation shall be as provided in 504.30.