34 Pa. Code § 39.61
The provisions of §§ 39.61-39.70 (relating to methods of protective grounding) apply to all installations within this Commonwealth, whether existing, new, reconstructions, extensions, or the like except as modified or waived as provided in § 39.63 (relating to modification or waiver of provisions).
34 Pa. Code § 39.61
This section cited in 34 Pa. Code § 39.62 (relating to scope); 34 Pa. Code § 39.63 (relating to modification of waiver provisions); 34 Pa. Code § 39.103 (relating to protective grounding); 34 Pa. Code § 39.183 (relating to ground wires); 34 Pa. Code § 39.197 (relating to grounding); 34 Pa. Code § 39.219 (relating to grounding or isolating service conduits); 34 Pa. Code § 39.292 (relating to grounding noncurrent-carrying parts); and 34 Pa. Code § 39.304 (relating to grounding of arresters for signaling systems).