§ 870. Trolley wires and trolley feeder wires(a) Intervals for cutoff switches
(b) Overcurrent protection devices
(c) Location of wires
(d) Adequate insulation and guard devices; promulgation of safety guidelines
(Pub. L. 91–173, title III, § 310, Dec. 30, 1969, 83 Stat. 783.)
