Incident date: 2021-09-03
NAICS industry code: 339113

A cooling tower fan had stopped working. The breaker feeding the fan had been turned off, and an employee was investigating the problem with the fan. The subpanel was connected to a variable-speed motor; a circuit overloaded and an arc flash burned the employee's left arm, forearm, and hand.

Hazard classification:
code_event: title: Direct exposure to electricity, unspecified
code_source: title: Switchboards, switches, fuses
code_nature: title: Electrical burns, unspecified
code_body: title: Hand(s) and arm(s), unspecified
severity: moderate