§75.827. Guarding of trailing cables.
30 C.F.R. § 75.827
Guarding.
The high-voltage cable must be guarded in the following locations:
From the power center cable coupler for a distance of 10 feet inby the power center;
From the entrance gland for a distance of 10 feet outby the last strain clamp on the continuous mining machine; and,
At any location where the cable could be damaged by moving equipment.
Guarding must be constructed using nonconductive flame-resistant material or grounded metal.
Suspended cables and cable crossovers. When equipment must cross any portion of the cable, the cable must be either:
Suspended from the mine roof; or
Protected by a cable crossover having the following specifications—
A minimum length of 33 inches;
A minimum width of 17 inches;
A minimum height of 3 inches;
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;
Made of nonconductive material;
Made of material with a distinctive color. The color black must not be used; and
Made of material that has a minimum compressive strength of 6,400 pounds per square inch (psi).
Notes, amendments, and revision history
Amendments
[75 FR 17549, Apr. 6, 2010]
Source
Source: 67 FR 11001, Mar. 11, 2002, unless otherwise noted.
Authority
Authority: 30 U.S.C. 811, 813(h), 957.
Source
Source: 35 FR 17890, Nov. 20, 1970, unless otherwise noted.
Amendments
[75 FR 17549, Apr. 6, 2010]