Major fire damage to house
Incident Investigation
Major fire damage to house
January 15, 2022
Electrical
Reference Number:
II-1314532-2022 (#25810)
Location: Crescent Valley
Regulated industry sector: Electrical - Low voltage electrical system (30V to 750V)
Incident overview
Heavy snow accumulated on the roof of a house causing the mast pipe to bend. The interior surface of the mast pipe penetrated the service conductor insulation and contacted the copper conductor, creating a short circuit, and resulting in an electrical arc blast.