---
kind: "section"
citation: "30 C.F.R. § 56.6404"
title: "30"
number: "56.6404"
heading: "Separation of blasting circuits from power source."
url: "https://uscodex.org/cfr/30/56.6404"
---

# §56.6404. 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.

## Notes

### Source

Source: 61 FR 36795, July 12, 1996, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 811.

### Source

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