['Specialized Industries']

['Mining']

07/19/2025

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§56.6404 Separation of blasting circuits from power source.

...

§56.6404 Separation of blasting circuits from power source.

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

(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.

['Specialized Industries']

['Mining']

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