['Specialized Industries']
['Mining']
07/19/2025
...
(a) Guarding.
(1) The high-voltage cable must be guarded in the following locations:
(i) From the power center cable coupler for a distance of 10 feet inby the power center;
(ii) From the entrance gland for a distance of 10 feet outby the last strain clamp on the continuous mining machine; and,
(iii) At any location where the cable could be damaged by moving equipment.
(2) Guarding must be constructed using nonconductive flame-resistant material or grounded metal.
(b) Suspended cables and cable crossovers. When equipment must cross any portion of the cable, the cable must be either:
(1) Suspended from the mine roof; or
(2) Protected by a cable crossover having the following specifications:
(i) A minimum length of 33 inches;
(ii) A minimum width of 17 inches;
(iii) A minimum height of 3 inches;
(iv) A minimum cable placement area of two and one half-inches (2 1/2") high by four and one-quarter inches (4 1/4") wide;
(v) Made of nonconductive material;
(vi) Made of material with a distinctive color. The color black must not be used; and
(vii) Made of material that has a minimum compressive strength of 6,400 pounds per square inch (psi).
[75 FR 17549, Apr. 6, 2010]
['Specialized Industries']
['Mining']
UPGRADE TO CONTINUE READING
Load More
J. J. Keller is the trusted source for DOT / Transportation, OSHA / Workplace Safety, Human Resources, Construction Safety and Hazmat / Hazardous Materials regulation compliance products and services. J. J. Keller helps you increase safety awareness, reduce risk, follow best practices, improve safety training, and stay current with changing regulations.
Copyright 2025 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.