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Electrical Systems Maintenance Checklist
Power Distribution Systems
Inspect and record the condition of circuit breakers and switchgear.
Test and verify the operation of protective relays.
Check for signs of overheating or corrosion on bus bars and connections.
Ensure all electrical panels and covers are securely fastened.
Verify proper grounding and bonding throughout the distribution system.
Transformers and Motors
Inspect and clean transformer cooling fans and oil levels.
Perform insulation resistance tests on transformer windings.
Check motor bearings for wear and proper lubrication.
Test motor winding insulation resistance and continuity.
Ensure proper alignment and coupling of motor shafts.
Lighting and Control Systems
Inspect and replace faulty lighting fixtures and bulbs.
Test emergency lighting for proper operation.
Verify the functionality of lighting control systems and timers.
Check wiring connections for signs of wear or damage.
Ensure all control panels are labeled and accessible.
Backup Power Systems
Test and run backup generators under load conditions.
Check fuel levels and battery charge status for generators.
Inspect and test automatic transfer switches for functionality.
Verify the integrity of uninterruptible power supply (UPS) systems.
Ensure proper ventilation and cooling for backup power equipment.
