In a lockout/tagout procedure, which sequence correctly lists the initial steps?

In a lockout/tagout procedure, which sequence correctly lists the initial steps?

• A. Identify energy sources, isolate, lockout, tag.
• B. Tag the system and wait.
• C. Identify energy sources, isolate, lockout, tag, verify zero energy, document, release per procedure after task completion.
• D. Only document the task.

Answer: (C)

The main idea here is to establish a controlled, verified state so workers are protected from unexpected energization during service. The best sequence starts with identifying all energy sources that could be involved, then isolating the equipment from those sources so it cannot energize. After isolation, apply a lockout device to physically prevent re-energizing and place a tag to warn others about the hazard. It’s essential to verify zero energy before work begins, confirming there is no residual or stored energy that could cause movement or release hazards. Documenting what was done provides a record for safety compliance and future reference. Finally, release per procedure after the task is finished, ensuring all steps are complete, tools are removed, and the area is safe before normal operations resume. Other options skip or jumble steps: tagging alone doesn’t prevent energizing, and skipping verification, documentation, or proper release leaves gaps in safety and accountability.

The main idea here is to establish a controlled, verified state so workers are protected from unexpected energization during service. The best sequence starts with identifying all energy sources that could be involved, then isolating the equipment from those sources so it cannot energize. After isolation, apply a lockout device to physically prevent re-energizing and place a tag to warn others about the hazard. It’s essential to verify zero energy before work begins, confirming there is no residual or stored energy that could cause movement or release hazards. Documenting what was done provides a record for safety compliance and future reference. Finally, release per procedure after the task is finished, ensuring all steps are complete, tools are removed, and the area is safe before normal operations resume.

Other options skip or jumble steps: tagging alone doesn’t prevent energizing, and skipping verification, documentation, or proper release leaves gaps in safety and accountability.