1. Regulations
  2. title 30
  3. chapter I
  4. part 56
  5. subpart E
  6. subjgrp 52
  7. § 56.6603

View all text of Subjgrp 52 [§ 56.6600 - § 56.6605]

§ 56.6603 - Air gap.

At least a 15-foot air gap shall be provided between the blasting circuit and the electric power source.

AUTHORITY: 30 U.S.C. 811.

SOURCE: 50 FR 4054, Jan. 29, 1985, unless otherwise noted.

CITE AS: 30 CFR 56.6603