§ 39.182. Provisions for disconnecting.
(a) Lightning arresters on circuits over 7,500 volts shall be so arranged, isolated, and equipped that they may be readily disconnected from conductors to which they are connected by air break manual disconnectors having air gaps of not less than four times the equivalent needle point sparking distance of the operating voltage of the circuit to which the arresters are connected, and never less than eight inches.
(b) The disconnectors, unless remotely controlled and operated, shall have the adjacent working spaces required by § 39.160(d) (relating to guarding live parts of switches and automatic cut-outs not installed on switchboards), for disconnectors generally.
Cross References This section cited in 34 Pa. Code § 39.201 (relating to storage batteries, transformers and lightning arresters).
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