Code of Federal Regulations Title 30. Mineral Resources § 30.75.827 Guarding of trailing cables

(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.

(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).