Accident Report Detail

Accident Summary Nr: 200776458 - Employees Are Injured by Electrical Burn

Accident Summary Nr: 200776458 -- Report ID: 0134000 -- Event Date: 02/05/2011
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
315298091	03/01/2011	1731	238210	Nardone Electrical Corporation

Abstract: On February 5, 2011, Employee # 1 and Employee # 2 were employed by Nardone Electrics. Employee # 1 and Employee # 2 were installing a replacement of an Automatic Transfer Switch (ATS) and related components for a building Uninterrupted Power Supply (UPS). The generator system failed which led to a transfer of building power to the UPS. Employee # 1 and Employee # 2 installed temporary wiring (welding leads) to bypass the ATS to provide continued power to the computer systems. After the workers completed the ATS replacement they turned the main switch on the Main Service Switch (MSS) panel to OFF and begin pulling the three phase permanent wiring into this cabinet. The grounding wire came in contact with energized 480 volt bus bars behind and above the main switch causing an arc flash. Employee # 1 and Employee # 2 sustained electrical burns.

Keywords: ELECTRIC ARC, ELECTRICIAN

Accident Details
End Use		Project Type		Project Cost	Stories	Non-building Height	Fatality
Other building		New project or new addition		$50,000 to $250,000	1	8

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation	Construction
1	315298091			Hospitalized injury	Burn/Scald(Heat)	Occupation not reported	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Interior plumbing, ducting, electrical work Fatality Cause: Electric shock, other and unknown cause
2	315298091			Hospitalized injury	Burn/Scald(Heat)	Occupation not reported	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Interior plumbing, ducting, electrical work Fatality Cause: Electric shock, other and unknown cause

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