Code of Federal Regulations · Section
§ 77.508-1 — -1 Lightning Arresters; Wires Entering Buildings
30 C.F.R. § 77.508-1
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Lightning arresters protecting exposed telephone wires entering buildings shall be provided at the point where each such telephone wire enters the building.
Authorizing Statute
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Mandatory safety and health standards30 U.S.C. § 811