Exposure to electric arc · Soft tissue injuries and burns
At a glance
Federal OSHA recorded a severe workplace injury
at Chicago Switchboard, LLC, 1555 W. Corneils Rd., YORKVILLE, ILLINOIS 60560
on — Soft tissue injuries and burns, affecting the Head and extremities.
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Final narrative
An employee was using a 600-volt multimeter to take a measurement on one of the three 34kV phases to help with assembling and installing fuses into a switchgear when an arc flash/blast occurred. They sustained second-degree burns to the face and hands and a dislocated shoulder. The employee was not wearing PPE at the time.
Hospitalized Head and extremities Switchboards, panels, fuses
An employee was terminating cables in a junction box. A loose ground wire came into contact with the bushing, causing a flash that burned the right side of the employee's face and his right hand.
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A temporary employee was testing an electrical starter motor. He was placing tape on the starter while the breaker was not engaged, but the starter sent an arc flash that burned his hands and stomach.
Two employees were removing a circuit breaker. The injured employee was using wrenches in the removal process. One of the wrenches contacted an adjacent door, resulting in an arc flash. The employee suffered burns to their neck, face, and ear, as well as momentary vision loss due to the flash.
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