Reference

Switching equipment off proves nothing - an electrically safe work condition exists only after conductors are disconnected, locked and tagged, and tested dead by a qualified person. This guide decodes OSHA 1910.333’s deenergize-default rule, the verification sequence, grounding, and when energized work can be justified.

Lockout/tagout is the OSHA-mandated procedure that keeps machines from starting while a worker is inside the danger zone. This guide walks through the six-step 1910.147 energy-control sequence in order, decodes the six hazardous energy types and how to isolate each, and covers group lockout, shift change, and lock-removal rules.

Lockout tagout (LOTO) prevents hazardous energy releases that kill approximately 120 workers per year in the U.S. This guide covers all six hazardous energy types, the six-step LOTO procedure, lockout vs. tagout, authorized vs.