Incident date: 2019-04-23
NAICS industry code: 238210

An employee was working inside a single-phase pad-mounted transformer, pulling wires to energize street lights. A cordless drill that was being used to tighten a lug created a phase-to-phase contact inside the transformer, resulting in an arc flash. The employee suffered second-degree burns to the face and torso.

Hazard classification:
code_event: title: Direct exposure to electricity, unspecified
code_source: title: Power lines, transformers, convertors
code_nature: title: Second degree electrical burns
code_body: title: Head and trunk
severity: moderate