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Equipment failure leads to sustained arc blast and arcing fault

Incident Investigation

Equipment failure leads to sustained arc blast and arcing fault

November 17, 2018

Electrical

Reference Number:

II-777672-2018 (#9805)



Location: Trail

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

Impact

Injury
 

Injuries: 0

Injury description: NA

Injury rating: NA

Incident rating: Moderate
 

Incident overview

A short circuit to ground between an ungrounded service conductor and the service equipment enclosure resulted in a sustained arc blast and arcing fault causing moderate damage.

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