45.1-161.187 - Trolley wires and feeder wires. - Virginia Statutes

§ 45.1-161.187. Trolley wires and feeder wires.

A. Trolley wires and trolley feeder wires shall be installed on the side ofthe entry opposite the clearance space and shelter holes, except where thewires are guarded or 6 1/2 feet or more above the top of the rail.

B. Trolley-wire hangers shall be so spaced that the wire may become detachedfrom any one hanger without creating a shock hazard.

C. Trolley wires shall be aligned properly and installed on insulated hangersat least six inches outside the rail.

D. Trolley wires and trolley feeder wires shall be provided with cut-outswitches at intervals of not more than 1,500 feet and near the beginning ofall branch lines.

E. Trolley wires and trolley feeder wires shall be kept taut and notpermitted to touch the roof, ribs, timbers or any combustible material.

F. Trolley wires and trolley feeder wires shall be guarded adequately at bothsides of doors and at all places where it is necessary to work or pass underthem, unless they are more than six and one-half feet above the top of therail.

G. Trolley wires and trolley feeder wires shall not extend beyond any opencrosscut between intake and return airways, and shall be kept at least 150feet from any active, open pillar workings.

H. Trolley wires and trolley feeder wires shall be guarded, anchoredsecurely, and insulated properly at the ends.

I. Trolley wires and trolley feeder wires shall be installed only in intakeair.

J. Trolley wires or other exposed conductors shall not carry more than 300volts.

(Code 1950, §§ 45-82, 45-82.1; 1954, c. 191; 1966, c. 594, § 45.1-78; 1993,c. 442; 1994, c. 28; 1996, c. 774; 1999, c. 256.)