30 CFR § 75.826
High-voltage trailing cables
July 29, 2020
High-voltage trailing cables must:
(a) Meet existing trailing cable requirements and the approval requirements of the high-voltage continuous mining machine; and
(b) Meet existing ground-check conductor requirements (§75.804) or have a stranded center ground-check conductor not smaller than a No. 16 A.W.G.
[75 FR 17549, Apr. 6, 2010]