77 Ill. Adm. Code 205.1770
Equipment Installation in Special Areas
Section 205
Section 205.1770Â Equipment
Installation in Special Areas
a)        X-ray Installations. Fixed and mobile X-ray equipment
installations, if installed, shall conform to Article 660 of NFPA 70 (see
Section 205.115(a)(1)(B)).
b)Â Â Â Â Â Â Â Â Installation in non-flammable anesthetizing locations of all
electrical equipment and devices, receptacles, and wiring shall comply with
NFPA 70. Exception: Isolated electrical systems are not required.
c)Â Â Â Â Â Â Â Â An "In Use" warning light or sign shall be installed
immediately outside of the entrance to a procedure room in which laser
equipment is used when such warning light or sign is required by the
manufacturer's specifications.