Effective - 28 Aug 1959, 2 histories
293.150. Electrical wiring and equipment requirements. — 1. Surface overhead high-potential power lines shall be placed at least fifteen feet above the ground and twenty feet above driveways and haulageways. The power lines shall be installed on insulators, and shall be supported and guarded to prevent contact with other circuits.
2. Surface overhead power circuits shall be protected against lightning and voltage surges, and high-potential power lines shall be protected adequately by circuit breakers, fuses, or both.
3. Electric wiring, electrical stationary machinery, and electric lights, in mines and surface buildings, shall be installed and maintained so as to present minimum fire and contact hazards.
4. Systematic, periodic examinations and reports of the conditions of all wiring and electrical equipment and apparatus shall be required by the division of mine inspection, to be made by the operator, in all mines.
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(L. 1959 S.B. 188 § 16)