All job plans
ElectricalPreventiveCorrectiveGeneral
Main Panel LOTO & Visual Inspection
Standard lockout/tagout and visual inspection for industrial main electrical panels before invasive work.
Estimated time
1.5 hours
Craft required
2 technician(s)
Skill level
journeyman
Procedure steps
- 1
Review one-line diagram and identify isolation points
~10 min - 2
Don required arc-rated PPE for the panel incident energy
~5 min - 3
Open disconnect / breaker and apply LOTO devices
~15 minLOTO required - 4
Verify absence of voltage at all phases and ground
~10 minLOTO required - 5
Inspect bus, connections, and enclosure for heat/discoloration
~25 minLOTO required - 6
Record findings, restore power per procedure, remove LOTO
~15 minLOTO required
Safety notes
- Verify zero energy state before removing covers
- Arc flash boundary must be established
- Two-person rule for panel entry
Tools
- • Voltage tester
- • Insulated tools
- • PPE Category 2 kit
- • Lockout kit
Parts
No parts required