30 CFR Part 57Public Domain
§ 57.12013 — Splices and repairs of power cables
Subpart K — Electricity
Permanent splices and repairs made in power cables, including the ground conductor where provided, shall be—
(a)Mechanically strong with electrical conductivity as near as possible to that of the original;
(b)Insulated to a degree at least equal to that of the original, and sealed to exclude moisture; and,
(c)Provided with damage protection as near as possible to that of the original, including good bonding to the outer jacket.
Public Domain: 30 CFR Part 57 (MSHA Safety and Health Standards — Underground Metal and Nonmetal Mines) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.