Accident Report Detail

Accident Summary Nr: 200940070 - ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU CONDUCTOR

Accident Summary Nr: 200940070 -- Report ID: 0625100 -- Event Date: 12/11/1996
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
103624870	12/12/1996	1623	0	Tri-O, Inc.

Abstract: A supervisory power line worker was grounding a deenergized 345-kilovolt overhead power line. A parallel, energized 345-kilovolt power line was located 25 to 30 meters away. The employee was using an aerial lift with a metal platform. He had attached the grounding cable to one of the two system grounds and had lowered the aerial lift to connect the other end of the cable to the center phase conductor of the power line. Another cable was on the floor of the aerial lift platform. This cable, which was hanging partway off the aerial lift platform, contacted the center phase conductor. When the employee placed his hand and the grounding cable on the top rail of the platform, he was electrocuted. The parallel line had induced voltage in the deenergized line. An engineer on site estimated that the induced voltage could have been as high as 10 kilovolts.

Keywords: OVERHEAD POWER LINE, PROTECTIVE GROUNDING, ELECTRICAL, POWER LINE WORKER, ELECTRIC CABLE, ELECTROCUTED, E PTD, INDUCED CURRENT, ELEC UTILITY WORK, AERIAL LIFT

Accident Details
End Use		Project Type		Project Cost	Stories	Non-building Height	Fatality
Powerline, transmission line		Alteration or rehabilitation		$1,000,000 to $5,000,000		80	X

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation	Construction
1	103624870			Fatality	Electric Shock	Supervisors; electricians & power transm. install.	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Fencing, installing lights, signs, etc. Fatality Cause: Electrocution by equipment contacting wire

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