Incident date: 2025-04-30
NAICS industry code: 922140

An employee was performing maintenance on a chiller when they were shocked by at least one 277-volt leg of a 480-volt, three-phase system. The employee temporarily lost consciousness and was hospitalized.

Hazard classification:
code_event: title: Direct exposure to electricity  greater than 220 volts
code_source: title: Cooling and humidifying machinery, appliances  unspecified
code_nature: title: Electrocution, electric shock
code_body: title: BODY SYSTEMS
severity: moderate