Completed Job Report

Job reference
JOB-001

Switchboard Circuit Tripping

12 Harbour St Residence · 12 Harbour St, Sydney NSW
Original issue
Circuit breaker trips under load; resets but re-trips within minutes
AI findings
Asset: Residential switchboard — Circuit 4. Probable issue confirmed via image analysis with 94% confidence. Severity assessed as Medium. Licensed electrician required.
Completed actions
Main switch isolated → proven dead → LOTO applied → failed RCBO replaced → terminations torqued → insulation & RCD trip-time tests passed → circuit relabelled.
Parts used
20A RCBO Type C, Circuit ID label
Safety checks
Isolated at main, LOTO applied, PPE worn, area cordoned, pre/post photos captured.
Compliance
Further Inspection Required — AS/NZS 3000 termination integrity verified; AS/NZS 3017 test results recorded.
Electrician
Kevin Hanlon · Electrical Lic. #EC-48210 · 18 Jul 2026 10:42
Before / After verification
Before — heat discolouration at breaker terminal
BEFORE — heat discolouration at breaker terminal
After — replaced RCBO and clean terminations
AFTER — replaced RCBO & torqued terminations
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