Subjgrp 50. Electric Blasting

• § 56.6400 - Compatibility of electric detonators.
• § 56.6401 - Shunting.
• § 56.6402 - Deenergized circuits near detonators.
• § 56.6403 - Branch circuits.
• § 56.6404 - Separation of blasting circuits from power source.
• § 56.6405 - Firing devices.
• § 56.6406 - Duration of current flow.
• § 56.6407 - Circuit testing.