Use this yearly main switchboard service checklist to maintain safe and reliable power distribution in line with Australian Standards, Codes of Practice, and OHS requirements. The template guides technicians through visual and mechanical checks of panels and enclosures, verification of phase balance and load, inspection of busbars, neutral, earth, and auxiliary terminations, and operation of main isolators. It includes accuracy checks of meters, review of protective relay settings against schematics, replacement of failed indicator lamps, and confirmation that insulated phase barriers and safety labels are intact. Technicians assess moisture ingress, remove contaminants, and perform infrared temperature scans on components and connections. The checklist concludes with ensuring switches are set to auto, cleaning the enclosure, and completing a service report for compliance and record keeping.
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