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Accident Summary Nr: 202612834 - Burn - Electrical Fault in Switchgear

Accident Summary Nr: 202612834 -- Report ID: 0950612 -- Event Date: 03/29/2011
Inspection NrDate OpenedSICNAICSEstablishment Name
31536308504/04/20111731238210Dba Electric,Inc

Abstract: An employee was installing an 800-ampere circuit breaker in an existing frame in energized switchgear. To mount the circuit breaker, he had to drill and tap a mounting hole. As he was drilling the hole, the drill bit became stuck. When the employee moved the drill from side to side to free the bit, it penetrated the insulation on a conductor, causing an electrical fault. The ensuing electric arc burned the employee. He was hospitalized with second-degree burns to his face.

Keywords: BURN, ELECTRIC ARC, E GI IV, ELECTRICAL, ELECTRICAL WORK, LOCKOUT, CIRCUIT BREAKER, ELECTRICAL FAULT, SWITCHGEAR, ELECTRIC DRILL
Accident Details
End Use Project Type Project Cost Stories Non-building Height Fatality
Other building Other Under $50,000 2 23

Employee Details
Employee # Inspection Nr Age Sex Degree of Injury Nature of Injury Occupation Construction
1 315363085 Hospitalized injury Other Occupation not reported Distance of Fall: feet
Worker Height Above Ground/Floor: feet
Cause: Installing equipment (HVAC and other)
Fatality Cause: Other

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