Lockout Tagout Basics

Key Hazards

• Unexpected equipment startup
• Stored energy release
• Failure to isolate all energy sources

2–3 Minute Talk Script

Lockout tagout basics are essential for workers performing maintenance in industrial plants, utility systems, and large facility operations. Lockout procedures prevent equipment from starting unexpectedly, protecting workers from crushing, amputation, or entanglement hazards.

Many incidents happen when workers assume equipment is 'off' simply because a switch is turned down. True energy isolation requires locking valves, breakers, or disconnects and verifying that the equipment cannot restart. Stored energy—such as springs, hydraulics, or pressure—must also be relieved.

Each industry faces its own challenges. Utility workers may isolate pumps or electrical panels; manufacturing employees may secure conveyors or mixers; facility maintenance crews handle HVAC units or compactors. Multiple workers may need their own locks when several tasks occur simultaneously.

Workers should review equipment schematics, communicate with team members, and verify zero energy before beginning work. Tagout devices must be legible and placed where they cannot be overlooked. Consistent lockout practices protect the entire crew.

Safety Reminders

• Always verify zero energy before starting work.
• Use locks and tags for every isolation point.
• Communicate with all workers involved in maintenance.
• Respect every lock—never remove one that isn’t yours.

Ask the Crew

• Which equipment requires lockout today?
• Have all energy sources been isolated and verified?