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Free switchgear inspection checklist

Free switchgear inspection checklist (PDF). Enclosure, busbars, circuit breakers, interlocks, labelling, grounding and arc flash checks. Download free.

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Updated 26 Oct 2026

Switchgear Inspection Checklist

LV, MV and HV switchgear routine inspection (all types)

Live form
0 of 27 checks

Enclosure and Environment

1Panel doors close and latch securely, hinges not damaged
2Enclosure free from dust, debris, moisture and condensation
3Ventilation openings and cooling fans clear and operational
4Cable entry seals intact, no vermin ingress
5Anti-condensation heaters operational (where fitted)

Bus Bars and Connections

6Bus bars free from discolouration, pitting, corrosion and contamination
7Bolted connections tight, no signs of overheating or arcing
8Thermal scan results reviewed, no hotspots above 10°C differential
9Insulation barriers and phase separators intact, no tracking marks

Circuit Breakers

10Contact wear indicator within acceptable limits
11Arc chutes intact, no carbon deposits or cracks
12Operating mechanism timing within manufacturer specification
13Trip and close coil resistance within tolerance
14Racking mechanism operates smoothly (withdrawable type)
15SF6 gas pressure within range (SF6 type only)

Protection Relays and Metering

16Relay settings match current protection coordination study
17Relay test dates current (within calibration interval)
18Metering instruments reading accurately, displays functional
19Fault trip counter and operation count recorded

Interlocks and Safety

20Mechanical interlocks functional (prevent incorrect switching sequence)
21Electrical interlocks verified (key exchange, solenoid locks)
22Door interlocks prevent access to live compartments
23Earth switch operates correctly, position indication accurate
24Arc flash warning labels present, legible and current

Earthing

25Main earth bar connections secure, no corrosion
26Earth continuity verified within specification
27Equipotential bonding intact across all sections

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Jarrod Milford

Jarrod Milford

Co-Founder & Commercial Director

Updated 26 October 2026
Also see:Maintenance and work orders →Best CMMS software →MapTrack vs MaintainX →

Short answer

A switchgear inspection checklist records the condition of low or medium-voltage switchgear: enclosure, busbars and connections, circuit breakers and protection devices, interlocks, labelling, earthing and bonding, and arc flash controls, each marked pass, fail or N/A with defects. Monthly external and 6 to 12-monthly internal inspections are common practice, not law. Regulation 147 of the model WHS Regulations requires electrical risks at the workplace to be managed.

Checked against Model WHS Regulations as at 5 December 2025 (cited within as the Work Health and Safety Regulations 2011) on by the MapTrack templates team. How we check templates

Key takeaways

  • The MapTrack switchgear inspection checklist contains 27 checks across 6 sections. Sections covered: Enclosure and Environment, Bus Bars and Connections, Circuit Breakers, Protection Relays and Metering, Interlocks and Safety, Earthing.
  • Plan internal inspections de-energised: regulation 154 bars electrical work on energised equipment except where permitted, and regulation 156 prevents inadvertent re-energising.
  • AS/NZS 4836:2023 clause 3.1 covers isolating low-voltage installations before work; clause 2.8 covers the work permit system.
  • Queensland does not use Part 4.7 of the model WHS Regulations; electrical safety there sits under the Electrical Safety Act 2002 (Qld).
  • After a fault trip, earth fault or arc event, keep the switchgear out of service until a competent person has inspected it.

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What is a switchgear inspection checklist?

A switchgear inspection checklist is a structured document used to systematically assess the condition and safe operation of low-voltage or medium-voltage switchgear assemblies. It covers the enclosure and general condition, busbars and connections, circuit breakers and protective devices, safety interlocks, labelling and identification, grounding and bonding, and arc flash hazard controls. Each item is assessed as Pass, Fail or N/A, with space for defect notes and corrective actions.

Switchgear is the central distribution and protection point for electrical power in commercial buildings, industrial facilities, data centres and infrastructure sites. A failure in switchgear can cause widespread power loss, arc flash incidents, equipment damage and serious injury or fatality. Regular documented inspections aligned with AS/NZS 3000 (Wiring Rules) and IEC 62271 (high-voltage switchgear and controlgear) help detect loose connections, insulation degradation, breaker mechanism faults and inadequate arc flash protection before a catastrophic event occurs. This checklist provides a repeatable, auditable framework for routine switchgear inspections as part of a preventive maintenance programme.

In Australia, switchgear installations are designed and installed to AS 2067 (Substations and high voltage installations exceeding 1 kV a.c.) and AS/NZS 3000 (Wiring Rules) for low-voltage installations, and maintained in line with the manufacturer. The WHS Regulations 2011, Chapter 4, Part 4.7 (Electrical Safety) requires that electrical plant is maintained to prevent risks to health and safety. Regular inspection prevents catastrophic failures such as arc flash events.

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Testing switchgear across sites? See electrical test equipment tracking for keeping insulation testers and relay test sets in calibration.

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Benefits of using this switchgear inspection checklist

  • Arc flash risk reduction: identifying loose connections, contaminated busbars and failed interlocks before they cause an arc flash incident that can result in severe burns, blast injuries or fatalities.
  • Power reliability: detecting breaker mechanism faults, relay issues and connection deterioration early prevents unplanned outages that disrupt operations.
  • Compliance evidence: a signed, dated inspection record demonstrates due diligence in maintaining electrical distribution equipment and supports safety audits and insurance reviews.
  • Extended equipment life: switchgear assemblies that receive regular inspection and timely corrective maintenance consistently outperform those maintained only on breakdown.
  • Standardised process: a structured checklist ensures every switchboard and distribution panel across every site is assessed to the same criteria by every technician.
  • Maintenance planning: inspection findings feed directly into work order systems, allowing maintenance teams to prioritise and schedule corrective actions before faults escalate.

Benefits of digitising forms in MapTrack

When you digitise switchgear checklists in MapTrack, you get:

  • Field users can easily scan a QR code to complete a form on mobile. Unlimited users.
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  • File every completed form against the asset, location or person it covers.
  • Download any completed form as a PDF, with failed answers listed at the top.
  • Fill in forms offline; they upload when the device is back online.
  • Build conditional logic (show or hide questions based on answers).
  • Take pictures or attach photos. Not possible with a paper-based form.
  • Electronic signatures.
  • Edit forms later without reprinting.
  • Set who can view, fill in or edit forms with user roles.
  • Upload a paper form (PDF, Word, Excel or a photo) and MapTrack's AI builds a digital version for you to check.
  • Raise a work order from a submitted form with an automation you set up.
  • Track service intervals by hours, kilometres or calendar date in one place.
  • Attach supplier invoices and parts receipts to each maintenance record.

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What to include in a switchgear inspection checklist

This switchgear inspection checklist covers 9 key areas:

  • Switchgear details: asset ID, location, switchboard designation, manufacturer, type (LV/MV), rated voltage, rated current, number of circuits, date of last thermographic survey and inspector name.
  • Enclosure and general condition: panel doors and covers (secure, seals intact), ventilation openings (clear, filters clean), signs of overheating (discolouration, smell), moisture or condensation, pest ingress, cleanliness.
  • Busbars and connections: busbar condition (discolouration, corrosion, deposits), joint tightness (visual and thermographic), insulation condition, phase separation barriers intact.
  • Circuit breakers and protective devices: breaker mechanism operation (manual trip and close), contact condition (wear indicators), protection relay settings and flags, fuse condition and ratings correct.
  • Safety interlocks: door interlocks operational (where fitted), key interlock systems functional, racking interlock mechanism (withdrawable breakers), earth switch interlock.
  • Labelling and identification: circuit labels legible and accurate, phase identification correct, danger and warning signs in place, arc flash labels current (incident energy and PPE requirement).
  • Grounding and bonding: main earth bar connections tight and corrosion-free, bonding conductors intact, earth fault indicators checked.
  • Arc flash controls: arc flash labels present with current incident energy values, arc-rated PPE available, approach boundaries marked or documented, arc flash study date within validity period.
  • Overall result: Pass/Fail with defect register, corrective action assignments and sign-off.

How to use this switchgear inspection checklist

  1. Record switchgear details at the top of the form: asset ID, location, designation, manufacturer, type, ratings and inspector details.: Identify the switchboard from its designation plate or asset register. Record the location (building, floor, room or substation), rated voltage, rated current, number of circuits and the date of the last thermographic survey. Note the inspector name, qualification and the date and time of inspection.
  2. Conduct an external visual inspection of the enclosure before opening any doors or covers. Check for signs of overheating, moisture, damage and pest ingress.: Inspect all external surfaces of the switchgear enclosure for discolouration, blistered paint, unusual smells (burnt insulation) and physical damage. Check that all doors and covers are secure and that seals are intact. Inspect ventilation openings and filters for blockage. Look for signs of moisture, condensation or water ingress, and check for pest entry points (rodent droppings, insect nests).
  3. Open panel doors (following site-specific safe access procedures) and inspect busbars, connections and insulation.: Following your site electrical safety procedures and wearing appropriate PPE, open panel doors and visually inspect busbars for discolouration, corrosion, carbon deposits or tracking marks. Check that phase separation barriers are intact and undamaged. Inspect all bolted joints for signs of overheating (discolouration, melted insulation). If a thermographic camera is available, scan all connections under load to identify hot spots that indicate loose or deteriorating joints.
  4. Test circuit breaker operation: manually trip and close each breaker, check wear indicators and verify protection relay settings.: For each circuit breaker, perform a manual trip and close operation to confirm the mechanism functions correctly. Check mechanical wear indicators (where fitted) and compare to the manufacturer replacement threshold. Verify protection relay settings match the current protection coordination study. Check for any alarm or trip flags on electronic relays. For withdrawable breakers, verify the racking mechanism operates smoothly.
  5. Test safety interlocks: door interlocks, key interlock systems, racking interlocks and earth switch interlocks.: Test each safety interlock by attempting the protected action (opening a door, racking a breaker, closing an earth switch) to confirm the interlock prevents unsafe operation. For key interlock systems, verify each key can only be released when the associated device is in the safe position. Document any interlock that does not function correctly as a critical defect.
  6. Check labelling, identification and arc flash hazard labels on every circuit and panel section.: Verify that every circuit is labelled with a legible, accurate description matching the current circuit schedule. Confirm phase identification (red, white, blue or L1, L2, L3) is correct and consistent. Check that danger and warning signs are in place. Inspect arc flash labels on each section and verify the incident energy value and required PPE level are current. If the arc flash study is older than the site-specified validity period (commonly 5 years), flag it for review.
  7. Inspect grounding and bonding: main earth bar, bonding conductors and earth fault indicators.: Inspect the main earth bar for tight connections, corrosion and correct conductor sizing. Trace bonding conductors to confirm they are intact and connected at both ends. Check earth fault indicators or earth leakage relays for any flagged conditions. If an earth resistance test is due, record the result or schedule it.
  8. Record defects, select the overall result, sign and date the form. Escalate critical defects (failed interlocks, arc flash label deficiencies, overheating connections) immediately.: Document every failed item with a description, severity and recommended corrective action. If any safety-critical item has failed (interlock, arc flash protection, overheating connection), escalate immediately to the responsible electrical engineer and restrict access to the affected section until the defect is rectified. The inspector signs the declaration and the supervisor countersigns within 24 hours.

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How often should you complete this checklist?

Switchgear inspection frequency depends on the criticality of the installation, the environment and the equipment age. As industry best practice aligned with AS/NZS 3000 and IEC 62271, a visual external inspection should be completed monthly, with a comprehensive internal inspection (busbars, connections, breaker operation, interlocks, labelling and grounding) completed every 6 to 12 months. Thermographic surveys of connections under load are recommended annually or more frequently for critical distribution boards.

Switchgear in harsh environments (dust, humidity, corrosive atmospheres) or installations older than 20 years may require more frequent inspection intervals. After any fault event (breaker trip, earth fault, arc flash incident), a full inspection must be completed before the equipment is returned to service. Between scheduled inspections, any unusual noise, burning smell, visible damage or protection relay alarm should trigger an immediate unscheduled inspection. Always refer to the manufacturer maintenance manual and your site electrical safety management plan for the specific intervals applicable to your switchgear fleet.

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Frequently asked questions

Industry best practice aligned with AS/NZS 3000 and IEC 62271 recommends a visual external inspection monthly and a comprehensive internal inspection every 6 to 12 months. Thermographic surveys of connections under load are recommended annually. Switchgear in harsh environments, high-load installations or equipment older than 20 years may require more frequent inspection. After any fault event, earth fault or protection relay trip, a full inspection should be completed before the equipment is returned to service.

Common faults include loose bolted connections causing localised overheating, dust and contamination on busbars that can lead to tracking and flashover, failed or stiff circuit breaker mechanisms, worn breaker contacts, incorrect or missing circuit labels, expired or missing arc flash labels, blocked ventilation openings causing elevated internal temperatures, degraded door seals allowing moisture or pest ingress, and non-functional safety interlocks. Thermographic surveys frequently reveal hot joints that are invisible to the naked eye.

An arc flash study is an engineering analysis that calculates the incident energy (measured in cal/cm2) at each point in an electrical distribution system where a worker might be exposed to an arc flash hazard. The study determines the arc flash boundary and the level of arc-rated PPE required for safe work. During a switchgear inspection, the inspector checks that arc flash labels on each panel section display the current incident energy value and PPE requirement. If labels are missing, illegible or based on an outdated study, this is flagged as a defect. Arc flash studies are typically reviewed every 5 years or whenever the electrical system is modified.

The PPE required depends on the voltage level, the tasks being performed and the arc flash incident energy at the point of work. At a minimum, inspectors typically wear arc-rated clothing, safety glasses with side shields, insulated gloves rated for the voltage class, leather protectors over insulated gloves and arc-rated face protection. The specific PPE category is determined by the arc flash label on each panel section. Before performing any inspection that involves opening energised panels, the inspector must verify the required PPE from the arc flash label and ensure all PPE is within its inspection and test date.

The duration depends on the size and complexity of the switchgear installation. A single low-voltage switchboard with 20 to 30 circuits typically takes 2 to 4 hours for a comprehensive inspection, including breaker operation testing, interlock checks, labelling review and documentation. A large main switchboard or medium-voltage switchgear lineup may take a full day or require planned shutdown periods for internal access. Thermographic surveys can often be completed on energised equipment without shutdown, which reduces the overall outage time required for the inspection programme.

Switchgear maintenance in Australia falls under the WHS Act 2011 and WHS Regulations 2011, Chapter 5 (Plant and Structures), which require a PCBU to ensure plant is maintained to prevent risks to health and safety. AS 2067 (Substations and high voltage installations exceeding 1 kV a.c.) and AS/NZS 3000 (Wiring Rules) set design, erection and verification requirements. Maintenance tests such as insulation resistance, contact resistance and arc flash risk assessment follow the manufacturer and your electrical safety programme. Keep documented maintenance records ready for regulatory audits or incident investigations; the WHS Regulations make records mandatory only for registered plant and plant with presence-sensing safeguarding (regulations 237 and 226).

Applicable regulatory standards

This template is a starting point. Check the current requirements that apply to your equipment, work and location. The template alone does not establish compliance.

  • Model Work Health and Safety Regulations

    Edition: Model WHS Regulations as at 5 December 2025 (cited within as the Work Health and Safety Regulations 2011)

    Managing electrical risks and the rules on energised and de-energised work. Queensland uses its Electrical Safety Act instead.

    • reg 147: A PCBU must manage electrical risks at the workplace in line with Part 3.1.
    • reg 154: Electrical work must not be carried out on energised electrical equipment, except where permitted.
    • reg 156: De-energised equipment must not be inadvertently re-energised while electrical work is carried out.
    • Part 4.7: General electrical safety and energised electrical work, including inspection and testing and residual current devices.

    Safe Work Australia (drafted by the Parliamentary Counsel's Committee)

  • Safe working on or near low-voltage and extra-low voltage electrical installations and equipment

    Edition: AS/NZS 4836:2023

    Isolation of low-voltage installations before work, and the work permit system for work on or near them.

    • 3.1: Isolation of electrical installations and equipment before work
    • 2.8: Work permit system for work on or near electrical installations

    Standards Australia and Standards New ZealandSold by the publisher

  • Model Code of Practice: Managing electrical risks in the workplace

    Edition: October 2018 version

    Model Code on managing electrical risks in the workplace. Legal effect only where a jurisdiction approves it.

    Safe Work Australia

  • Electrical installations (known as the Australian/New Zealand Wiring Rules)

    Edition: AS/NZS 3000:2018 (incl. Amd 1:2020, Amd 2:2021, Amd 3:2023, Ruling 1:2024)

    Wiring Rules provision on periodic inspection and testing of electrical installations.

    • 8.1.3: Periodic inspection and testing of electrical installations

    Standards Australia and Standards New ZealandSold by the publisher

  • Substations and high voltage installations exceeding 1 kV a.c.

    Edition: AS 2067:2016

    Substations and high voltage installations exceeding 1 kV a.c., for medium-voltage switchrooms.

    Standards AustraliaSold by the publisher

  • High-voltage switchgear and controlgear (series)

    Edition: Multi-part series; Part 1 is IEC 62271-1:2017+AMD1:2021 (consolidated)

    High-voltage switchgear and controlgear series; cite the part for the equipment type.

    International Electrotechnical Commission (IEC)Sold by the publisher

Each source was read at its publisher and the page checked on 26 October 2026. The publisher's current text is the authority.

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  <p style="font-size:12px;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;color:#071D49;margin:0;">Free template</p>
  <p style="font-size:18px;font-weight:700;color:#071D49;margin:6px 0 0;">Switchgear Inspection Checklist</p>
  <ul style="margin:12px 0 0;padding-left:18px;color:#374151;font-size:14px;line-height:1.6;">
    <li style="margin:4px 0;">Switchgear details: asset ID, location, switchboard designation, manufacturer, type (LV/MV), rated voltage, rated current, number of circuits, date of last thermographic survey and inspector name.</li>
    <li style="margin:4px 0;">Enclosure and general condition: panel doors and covers (secure, seals intact), ventilation openings (clear, filters clean), signs of overheating (discolouration, smell), moisture or condensation, pest ingress, cleanliness.</li>
    <li style="margin:4px 0;">Busbars and connections: busbar condition (discolouration, corrosion, deposits), joint tightness (visual and thermographic), insulation condition, phase separation barriers intact.</li>
    <li style="margin:4px 0;">Circuit breakers and protective devices: breaker mechanism operation (manual trip and close), contact condition (wear indicators), protection relay settings and flags, fuse condition and ratings correct.</li>
    <li style="margin:4px 0;">Safety interlocks: door interlocks operational (where fitted), key interlock systems functional, racking interlock mechanism (withdrawable breakers), earth switch interlock.</li>
    <li style="margin:4px 0;">Labelling and identification: circuit labels legible and accurate, phase identification correct, danger and warning signs in place, arc flash labels current (incident energy and PPE requirement).</li>
  </ul>
  <p style="font-size:13px;color:#6B7280;margin:14px 0 0;padding-top:12px;border-top:1px solid #E5E7EB;">Free <a href="https://www.maptrack.com/templates/switchgear-inspection-checklist" style="color:#071D49;font-weight:600;text-decoration:none;">Switchgear Inspection Checklist</a> by MapTrack</p>
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The MapTrack switchgear inspection checklist contains 27 checks across 6 sections.

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