Electrical Equipment Maintenance Checklist

Use this Electrical Equipment Maintenance Checklist for preventive maintenance inspections of motors, transformers, switchgear, control panels, and cables in commercial and industrial facilities.

Download as free PDF

GET A DEMO
SIGN UP TO USE TEMPLATE
SIGN UP

Electrical Equipment Maintenance Checklist



Safety And Preparation

1. Lockout/tagout procedure has been applied and all energy sources are confirmed isolated before hands-on work begins.


Photo Comment

2. All relevant permits to work are in place and signed off.


Photo Comment

3. PPE appropriate to the task is worn (insulated gloves, safety glasses, arc flash protection where required).


Photo Comment

4. Equipment manufacturer manuals and single-line diagrams are available on site for reference.


Photo Comment

5. Previous maintenance records and outstanding defects have been reviewed before starting.


Photo Comment
Motors

1. The motor frame, terminal box, and cooling fins are free from dirt, debris, and physical damage.


Photo Comment

2. Motor operating temperature is within the manufacturer's rated limits (checked during running inspection where applicable).


Photo Comment

3. Motor bearings show no signs of excessive heat, unusual noise, or vibration during operation.


Photo Comment

4. Motor bearings are lubricated in accordance with the manufacturer's schedule, where applicable.


Photo Comment

5. Motor winding insulation resistance is measured and recorded; readings are compared against previous records.


Photo Comment

6. Motor terminal connections are tight and free from corrosion or overheating.


Photo Comment

7. The motor nameplate is legible and matches the connected load and supply voltage.


Photo Comment
Transformers

1. The transformer enclosure and cooling fins are clean and free from obstructions.


Photo Comment

2. No unusual noise, vibration, or smell is detected during operation.


Photo Comment

3. Primary and secondary terminal connections are tight and free from corrosion or overheating.


Photo Comment

4. Insulation resistance is measured between windings and between windings and earth, and results are recorded.


Photo Comment

5. For oil-filled transformers: oil level is within the normal range and no leaks are present.


Photo Comment

6. Transformer temperature indicators or protection devices show no active alarms.


Photo Comment
Switchgear And Circuit Breakers

1. Switchgear enclosure is clean, dry, and free from dust, moisture, or contamination.


Photo Comment

2. All circuit breakers are correctly seated in their cradles with no signs of damage or overheating.


Photo Comment

3. Circuit breaker trip settings are verified against the coordination study or protection schedule.


Photo Comment

4. Breaker contacts and arc chutes are inspected for wear and carbon deposits.


Photo Comment

5. Manual operation of circuit breakers is smooth with no signs of binding or stiff mechanisms.


Photo Comment

6. Busbars and connections are free from signs of overheating, discoloration, or corrosion.


Photo Comment

7. Infrared thermography scan is conducted on all energized connections where possible.


Photo Comment
Control Panels And Starters

1. The control panel enclosure is clean, sealed, and free from moisture or pests.


Photo Comment

2. All indicator lights, meters, and displays are functional and showing correct readings.


Photo Comment

3. Contactor contacts show no excessive pitting or burning.


Photo Comment

4. Overload relay settings are verified against the motor nameplate full-load amperage.


Photo Comment

5. Control wiring is undamaged, correctly terminated, and free from chafing.


Photo Comment

6. All labels, nameplates, and circuit directories are present and legible.


Photo Comment
Cables And Wiring

1. All accessible cable routes are inspected for physical damage, abrasion, and deterioration of insulation.


Photo Comment

2. Cable terminations at both ends are tight and free from corrosion or overheating.


Photo Comment

3. Cable glands and entries into equipment are sealed and free from damage.


Photo Comment

4. Cable tray and trunking supports are secure and cables are correctly cleated.


Photo Comment

5. Insulation resistance tests are conducted on cables as per the maintenance schedule and results are recorded.


Photo Comment

6. Earth continuity is confirmed at all equipment earth terminals.


Photo Comment
Capacitor Banks And Power Factor Correction

1. The capacitor bank enclosure is clean and free from moisture or damage.


Photo Comment

2. Individual capacitors show no signs of swelling, leakage, or physical damage.


Photo Comment

3. The automatic switching controller is operational and switches stages correctly in response to load.


Photo Comment

4. Capacitor discharge resistors are present and undamaged.


Photo Comment
Documentation And Reinstatement

1. All test results, readings, and defects are recorded on the service report or work order.


Photo Comment

2. Equipment is restored to service and confirmed operational before leaving the site.


Photo Comment

3. Any defects requiring follow-up are logged with recommended corrective action and priority.


Photo Comment

4. Maintenance records are updated with the service date, engineer details, and next service due.


Photo Comment
Pre-inspection Preparation

1. Previous inspection reports, LPS design drawings, and risk assessment documents are available for reference.


Photo Comment

2. Any changes to the building structure, rooftop equipment, or services since the last inspection are noted and assessed for impact on LPS coverage.


Photo Comment

3. Access arrangements for all roof areas, plant rooms, and external ground-level earth electrode locations are confirmed.


Photo Comment

4. PPE appropriate for work at height and rooftop inspection is worn.


Photo Comment
Air Terminals (Lightning Rods And Strike Receptors)

1. All air terminals are present at the locations shown on the LPS design drawings.


Photo Comment

2. Air terminals are securely fixed and correctly orientated with no signs of loosening or movement.


Photo Comment

3. Air terminal tips are undamaged and free from corrosion, deformation, or blunting.


Photo Comment

4. Bases and fixings are free from corrosion, cracking, or deterioration.


Photo Comment

5. No new structures, plant, or rooftop equipment has been installed that falls outside the protected zone of the existing air terminals.


Photo Comment
Down Conductors

1. All down conductors are present, correctly routed, and continuous from air terminals to earth electrodes.


Photo Comment

2. Down conductors are securely fixed to the building structure at the correct intervals with no sagging or detachment.


Photo Comment

3. All conductor joints and clamp connections are tight, corrosion-free, and showing no signs of mechanical damage.


Photo Comment

4. Test clamps or inspection joints are present at ground level on each down conductor for earth resistance testing.


Photo Comment

5. Conductors passing through the building fabric are correctly protected and sleeved.


Photo Comment

6. No down conductor shows signs of melting, burning, or severe corrosion that would indicate a previous strike has compromised it.


Photo Comment
Earth Electrodes And Grounding System

1. Earth electrode locations match the LPS drawings.


Photo Comment

2. Test pit covers or access chambers are present, accessible, and in good condition.


Photo Comment

3. Earth electrode connections are tight, free from corrosion, and protected where required.


Photo Comment

4. Earth electrode resistance is measured at each test point using the appropriate method and results are recorded.


Photo Comment

5. Total earth resistance of the LPS meets the standard required by applicable design specifications (typically 10 ohms or less).


Photo Comment

6. Where multiple electrodes are installed, the interconnecting ring or mesh conductors are intact and correctly bonded.


Photo Comment
Bonding Connections

1. All metallic structures on or within the building that require bonding to the LPS are connected (rooftop plant, pipework, structural steelwork, HVAC equipment, cable trays).


Photo Comment

2. Bonding conductors are the correct size and type per the LPS design.


Photo Comment

3. All bonding connections are tight, corrosion-free, and mechanically sound.


Photo Comment

4. Equipotential bonding at service entry points (gas, water, electrical) is present and in good condition.


Photo Comment
Surge Protection Sevices (SPDs)

1. SPDs are installed at the locations specified in the LPS design (service entry points, distribution boards, sensitive equipment).


Photo Comment

2. SPD status indicators show normal operation (no fault, replacement, or alarm signals active).


Photo Comment

3. SPD enclosures are undamaged and free from moisture ingress.


Photo Comment

4. SPD disconnects are in the closed/on position.


Photo Comment

5. Any SPDs that have operated or show end-of-life indication are flagged for replacement.


Photo Comment
Post-Inspection Documentation

1. All inspection findings, measurements, and test results are recorded in full.


Photo Comment

2. Defects are categorised by severity and remedial actions are recommended with suggested timeframes.


Photo Comment

3. Photographs of defects, connections, and test points are captured as evidence.


Photo Comment

4. The completed inspection report is signed by the inspector and provided to the building owner or facilities manager.


Photo Comment

5. The date of the next recommended inspection is confirmed and recorded.


Photo Comment

Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

Is this sample what you are looking for?
Sign up to use & customize this template, or create your own custom checklist.

NEW! Try generating a custom checklist with our free AI tool:

AI spark green AI CHECKLIST CREATOR

Easy inspection app for your digital checklists

  • Conduct inspections anytime, anywhere - even offline
  • Capture photos as proof of compliance or areas needing attention
  • Instantly generate and share detailed reports after the inspections
  • Assign & track follow-up tasks, view historical trends on a centralized dashboard
GET A DEMO
START FREE TRIAL
GoAudits care app