Intrinsically safe apparatus, associated apparatus, and other equipment must be installed in accordance with the _____ drawing(s).
d) any of the above
See answer and applicable Code reference
The correct answer is: b) control
Article 504 of the 2011 NEC focuses on the requirements for Intrinsically Safe Systems. As noted in Sec. 504.10(A), "Intrinsically safe apparatus, associated apparatus, and ot