Combined effects of electrical shock and jack-knife body position
AI-generated summary
Brody Roy Wauchope-Dirdi, an 11-year-old boy, died from electrical shock combined with positional asphyxia after contacting a metal roof live with 240 volts in a remote Aboriginal community. The roof became electrified due to degraded insulation on Power and Water service conductors that failed to adequately separate energised conductors from metallic support structures. Critical failures included: lack of earthing of the riser pole and metal roof; poor initial installation; and absence of inspection and maintenance systems over 25 years. The Forensic Pathologist found electrical injury markers and concluded he became immobilised by the shock, then unconscious within 8-30 seconds due to jack-knife positioning. Preventable through proper installation to Australian Standards, adequate earthing, and regular inspection and maintenance regimes. Power and Water subsequently implemented systematic inspection programs across remote communities and amended standards.
AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes. Report an inaccuracy.
Error types
systemproceduraldelay
Clinical conditions
electrical injurypositional asphyxia
Contributing factors
Degraded insulation on Power and Water service conductors
Failure to earth the metal roof and riser pole
Failure to properly install electrical connection to Australian Standards
Inadequate separation of energised conductors from metallic support structures
Lack of inspection and maintenance systems over 25 years
Poor workmanship in initial electrical installation
Metal roof not insulated from energised structures
Braided cable in direct contact with metal gooseneck riser
Insulated collar positioned incorrectly below mounting disk
Coroner's recommendations
Power and Water Corporation ensure that all infrastructure including service conductors and clamps is subject to a system of regular inspection and maintenance and that the inspection and maintenance be recorded and audited
Power and Water Corporation ensure that all appropriate records are maintained in relation to its functions
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