CFR › Title 46 › Part 111 › §111.50-746 CFR §111.50-7Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Each enclosure of an overcurrent protective device must meet Sections 240-30 and 240-33 of NFPA 70 (incorporated by reference; see § 110.10-1 of this subchapter).(b)No enclosure may be exposed to the weather unless accepted by the Commandant.