CABINETS, CUTOUT BOXES, & METER SOCKETS 70-289

(b) Passing Through Partitions. Suitable bushings, shields, or fittings having smooth, rounded edges shall be provided where conductors or cables pass through partitions and at other locations where necessary. (c) Complete Enclosure. Boxes shall provide a complete enclosure for the contained conductors or cables. (d) Wiring Is Accessible. Boxes shall be so installed that the wiring is accessible without removing any part of the building. Working space shall be provided in accordance with Section 110-34. (e) Suitable Covers. Boxes shall be closed by suitable covers securely fastened in place. Underground box covers that weigh over 100 pounds (45.4 kg) shall be considered as meeting this requirement. Covers for boxes shall be permanently marked "DANGER HIGH VOLTAGE - KEEP OUT." The marking shall be on the outside of the box cover and shall be readily visible. Letters shall be block type at least ½ inch (12.7 mm) in height. (f) Suitable for Expected Handling. Boxes and their covers shall be capable of withstanding the handling to which they may likely be subjected.