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<p>Location:&nbsp;Nanaimo</p>

<p>Regulated industry sector: Electrical - High voltage electrical system (greater than 750V)<br />
&nbsp;</p>

<h3>Impact</h3>

<h4>Injury<br />
&nbsp;</h4>

<p>Injuries: 0</p>

<p>Injury description: NA</p>

<p>Injury rating: NA</p>

<p>Incident rating: Major<br />
&nbsp;</p>

<h3>Incident overview</h3>

<p>During a routine isolation process to install equipment and record measurements to facilitate future retrofit installations of breakers, a main high voltage interrupting switch for a transformer failed when opening, resulting in an arc flash and damage to the equipment.</p>


E 14507-882604 2020-NO-05.pdf

Location:&nbsp;NanaimoRegulated industry sector: Electrical - High voltage electrical system (greater

High voltage interrupting switch failure results in arc flash

Incident Investigation

High voltage interrupting switch failure results in arc flash

June 30, 2019

Reference Number:

Impact

Injury

Incident overview

Attachment

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