Statutes, codes, and regulations
Wyoming Administrative Code
Agency 053 - Workforce Services, Department ofSubagency 0004 - Mining InspectorChapter 3 - UNDERGROUND METAL/NONMETAL MINES
Subpart K - Electricity
Section 57.12069 - Lightning protection for telephone wires and ungrounded conductors

053-3 Wyo. Code R. § 57.12069

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Current through April 27, 2019
Section 57.12069 - Lightning protection for telephone wires and ungrounded conductors

Each ungrounded conductor or telephone wire that leads underground and is directly exposed to lightning shall be equipped with suitable lightning arrestors of approved type within 100 feet of the point where the circuit enters the mine. Lightning arrestors shall be connected to a low resistance grounding medium on the surface and shall be separated from neutral grounds by a distance of not less than 25 feet.

053-3 Wyo. Code R. § 57.12069