Investigation Report
Arc Flash During Cleaning of Energised Motor Control Centre Busbars
02-07-2009 18:00 P00441 SM6374 1-LTA (1-3 days), 1 -LTA (>3 days) Required Evacuation
- BSEE
- Investigation Report
- Unknown
- Arc flashElectrical safety
- Electrical work
- Hand toolsPersonal protective equipmentSwitchgear
- Energy and process isolationJob safety analysisLockout and tagoutPermit to work
Summary
An accident investigation examines an arc flash during cleaning of energised motor control centre busbars with aerosol solvent and a steel-bristled brush. Findings identify missing work planning, permits and lockout procedures, alongside inadequate protective equipment. Recommendations address cabinet reinstatement planning, safe work permits and cleaning only with the centre de-energised.
Classifications: Arc flash; arc fault; arc-flash.
Classifications: Electrical safety; electrical hazards.
Classifications: Electrical work; electrical maintenance.
Classifications: Hand tools; hand-held tools; handheld tools.
Classifications: Personal protective equipment; PPE; personal protection equipment.
Classifications: Switchgear; switch gear.
Classifications: Energy and process isolation; isolation; energy isolation.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Lockout and tagout; LOTO; lockout/tagout.
Classifications: Permit to work; PTW; work permit.