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Code · CFR · Title 30 — Mineral Resources · Part 75 · § 75.516-2

§ 75.516-2. Communication wires and cables; installation; insulation; support.

149 words·~1 min read·/us/cfr/t30/s§ 75.516-2·

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(a)All communication wires shall be supported on insulated hangers or insulated J-hooks.
(b)All communication cables shall be insulated as required by § 75.517-1, and shall either be supported on insulated or uninsulated hangers or J-hooks, or securely attached to messenger wires, or buried, or otherwise protected against mechanical damage in a manner approved by the Secretary or his authorized representative.
(c)All communication wires and cables installed in track entries shall, except when a communication cable is buried in accordance with paragraph
(b)of this section, be installed on the side of the entry opposite to trolley wires and trolley feeder wires. Additional insulation shall be provided for communication circuits at points where they pass over or under any power conductor.
(d)For purposes of this section, communication cable means two or more insulated conductors covered by an additional abrasion-resistant covering. \[38 FR 4975, Feb. 23, 1973\]
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