High voltage interrupting switch failure results in arc flash
Persona
Persona
Technologies
Technologies
Reference number
II-882604-2019 (#14507)
Location: Nanaimo
Regulated industry sector: Electrical - High voltage electrical system (greater than 750V)
Impact
Injury
Injuries: 0
Injury description: NA
Injury rating: NA
Incident rating: Major
Incident overview
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.
Attachment | Size |
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E 14507-882604 2020-NO-05.pdf | 491.38 KB |