Major fire damage to house

Incident Investigation

Major fire damage to house

January 15, 2022


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.

409.62 KB