§ 7980
51 words·~1 min read·
/ca/labor-code/7980A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
All electrical equipment and machines, including diesel engines, used in tunnels or underground mines classified extrahazardous shall be permissible equipment. The division may, however, permit the use of nonpermissive equipment in a tunnel or underground mine in areas where it finds there is no longer danger from gas or other hazards.