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Switchboard Maintenance Checklist

Performing Switchboard Maintenance Checklist using eAuditor & audit inspection.

Visual Inspection

1. Exterior Inspection:
   • Check for physical damage to the switchboard.
   • Ensure the switchboard is clean and dry.
   • Verify that all covers and doors are secure and properly labeled.
   • Look for signs of overheating or burning.
2. Interior Inspection:
   • Open the switchboard and inspect the interior.
   • Check for dust, dirt, and debris, and clean if necessary.
   • Inspect for signs of moisture or corrosion.
   • Ensure all components are securely mounted.

Electrical Inspection

3. Connections:
   • Tighten all electrical connections.
   • Check for signs of loose connections or frayed wiring.
   • Inspect terminals for signs of overheating.
4. Busbars and Cables:
   • Inspect busbars for signs of overheating, corrosion, or damage.
   • Ensure all cable connections are secure and show no signs of wear.

Functional Testing

5. Circuit Breakers and Fuses:
   • Check the condition and operation of all circuit breakers and fuses.
   • Test circuit breakers manually to ensure they trip and reset properly.
   • Inspect for correct rating and compatibility.
6. Relays and Contactors:
   • Test relays and contactors for proper operation.
   • Inspect for signs of wear or pitting on contacts.

Safety Devices

7. Ground Fault Protection:
   • Test ground fault circuit interrupters (GFCIs) and ground fault relays for proper operation.
8. Overload Protection:
   • Verify the settings of overload protection devices.
   • Test operation to ensure devices trip at the correct settings.

Insulation Testing

9. Insulation Resistance:
   • Perform insulation resistance testing using a megohmmeter.
   • Record and compare readings with manufacturer specifications or previous records.

Environmental Control

10. Ventilation and Cooling:
    • Check that ventilation systems are operational and not obstructed.
    • Ensure cooling fans are working correctly and clean any filters or grilles.
11. Heating:
    • Verify the operation of any heating elements to prevent condensation.

Documentation and Reporting

12. Record Keeping:
    • Document all findings, including any issues and corrective actions taken.
    • Maintain a log of maintenance activities and schedule regular inspections.
13. Issue Reporting:
    • Report any major issues to the appropriate personnel immediately.
    • Schedule follow-up inspections or repairs if needed.

Safety Precautions

14. PPE and Lockout/Tagout (LOTO):
    • Always use appropriate Personal Protective Equipment (PPE).
    • Follow lockout/tagout procedures before starting maintenance.

Periodic Review

15. Regular Inspections:
    • Schedule regular inspections based on the environment and usage (typically every 6 months to a year).
    • Review and update the checklist as needed to incorporate new standards and practices.

1. eAuditor Audits & Inspections Configuration:
   • Ensure the eAuditor Audits & Inspections is up-to-date.
   • Customize the checklist template within the eAuditor Audits & Inspections.
   • Pre-load relevant data such as switchboard details, locations, and historical maintenance records.

Pre-Inspection

2. Initial Setup:
   • Open the eAuditor Audits & Inspections and select the switchboard to be inspected.
   • Review previous maintenance logs and notes.

Visual Inspection

3. Exterior Inspection:
   • Use the eAuditor Audits & Inspections to take and upload photos of the switchboard exterior.
   • Check for physical damage and ensure the switchboard is clean and dry.
   • Verify that all covers and doors are secure and properly labeled.
   • Log any signs of overheating or burning.
4. Interior Inspection:
   • Open the switchboard and inspect the interior.
   • Take photos of the interior condition.
   • Check for dust, dirt, and debris, and clean if necessary.
   • Inspect for signs of moisture or corrosion.
   • Ensure all components are securely mounted.

Electrical Inspection

5. Connections:
   • Document the inspection of all electrical connections via the eAuditor Audits & Inspections.
   • Check for signs of loose connections or frayed wiring, and take photos if necessary.
   • Inspect terminals for signs of overheating.
6. Busbars and Cables:
   • Inspect busbars for signs of overheating, corrosion, or damage.
   • Ensure all cable connections are secure and show no signs of wear.
   • Log any issues found and actions taken.

Functional Testing

7. Circuit Breakers and Fuses:
   • Check the condition and operation of all circuit breakers and fuses.
   • Test circuit breakers manually and document their operation.
   • Ensure correct ratings and compatibility are logged in the eAuditor Audits & Inspections.
8. Relays and Contactors:
   • Test relays and contactors for proper operation.
   • Inspect for signs of wear or pitting on contacts, and take photos if necessary.

Safety Devices

9. Ground Fault Protection:
   • Test ground fault circuit interrupters (GFCIs) and ground fault relays for proper operation.
   • Log test results in the eAuditor Audits & Inspections.
10. Overload Protection:
    • Verify and document the settings of overload protection devices.
    • Test operation and ensure devices trip at the correct settings, recording results in the eAuditor Audits & Inspections.

Insulation Testing

11. Insulation Resistance:
    • Perform insulation resistance testing using a megohmmeter.
    • Input and compare readings with manufacturer specifications or previous records in the
      eAuditor Audits & Inspections.

Environmental Control

12. Ventilation and Cooling:
    • Check that ventilation systems are operational and not obstructed.
    • Ensure cooling fans are working correctly, and clean any filters or grilles.
    • Log any maintenance performed.
13. Heating:
    • Verify the operation of any heating elements to prevent condensation.
    • Document findings and any actions taken.

Documentation and Reporting

14. Record Keeping:
    • Use the eAuditor Audits & Inspections to generate detailed maintenance reports.
    • Ensure all findings, photos, and notes are saved and backed up.
15. Issue Reporting:
    • Immediately report major issues via the eAuditor Audits & Inspections’s notification system.
    • Schedule follow-up inspections or repairs within the eAuditor Audits & Inspections.

Safety Precautions

16. PPE and Lockout/Tagout (LOTO):
    • Confirm and document the use of appropriate Personal Protective Equipment (PPE).
    • Follow and log lockout/tagout procedures before starting maintenance.

Periodic Review

17. Regular Inspections:
    • Schedule and document regular inspections using the eAuditor Audits & Inspections’s calendar feature.
    • Review and update the checklist periodically to incorporate new standards and practices.

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