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Damage to electrical equipment from sliding snow

Incident Investigation

Damage to electrical equipment from sliding snow

February 6, 2022

Electrical

Reference Number:

II-1327439-2022 (#26178)



Location: Fruitvale

Regulated industry sector: Electrical - Low voltage electrical system (30V to 750V)

Incident overview

Snow that had accumulated then released along the pitched length of a metal roof loaded the electrical service mast pipe, causing it to bend. As a result, the service conductor insulation was damaged and created multiple conductor short circuits, conductor faults to ground, and electrical arcing.

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