Mike Holt's Code Graphic and Question of the Day

2023 NEC^® Code Quiz Question of the Day

(Not related to the above graphic.)

Unused openings, other than those intended for the operation of equipment, those intended for mounting purposes, or permitted as part of the design for listed equipment shall be _____.

filled with cable clamps or connectors only

taped over with electrical tape

repaired only by welding or brazing in a metal slug

closed to afford protection substantially equivalent to the wall of the equipment