Intrinsically safe systems.
Municipal Code of Chicago § 14E-5-504
in effect14E-5-504 Intrinsically safe systems.
The provisions of Article 504 of NFPA 70 are adopted by reference without modification.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2670350Fetched: 10/24/2026
