30 CFR § 77.702
Protection other than grounding.
Methods other than grounding which provide no less effective protection may be permitted by the Secretary or his authorized representative. Such methods may not be used unless so approved.
30 CFR § 77.702
Protection other than grounding.
Methods other than grounding which provide no less effective protection may be permitted by the Secretary or his authorized representative. Such methods may not be used unless so approved.
