30 CFR 57.6404 - Separation of blasting circuits from power source.

§ 57.6404 Separation of blasting circuits from power source.
(a) Switches used to connect the power source to a blasting circuit shall be locked in the open position except when closed to fire the blast.
(b) Lead wires shall not be connected to the blasting switch until the shot is ready to be fired.

Title 30 published on 2013-07-01

no entries appear in the Federal Register after this date.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code