OSHA Accident Investigation · Summary #656801
PROFESSIONAL HEALTH SERVICES, INCORPORATED
SALEM, MA·
Event description
ELECTRIC SHOCK - GROUND FAULT IN RECEPTACLE OUTLET
Investigation abstract
AN AUDIOMETRIC TESTING TRAILER WAS WITHOUT ELECTRIC POWER EVEN THOUGH THE TRAILE THE EQUIPMENT GROUNDING TERMINAL. THIS CAUSED VOLTAGE TO BE IMPRESSED ON THE TR AILER FRAME, AND A VOLTAGE TEST INDICATED THAT THERE WAS 250 VOLTS BETWEEN THE T RAILER AND THE METAL TRENCH COVER. CARDIOPULMONARY RESUSCITATION WAS ATTEMPTED O N THE TECHNICIAN WITHOUT SUCCESS. THE AMOUNT OF TIME THAT HAD ELAPSED BETWEEN CO NTACT AND CPR APPLICATION WAS NOT REPORTED. R'S SUPPLY CORD WAS PLUGGED INTO A 480-VOLT RECEPTACLE OUTLET. (IT WAS RAINING H EAVILY AT THE TIME.) AN ELECTRICIAN, WHO WAS CHECKING ON THE PROBLEM, WENT TO SE E IF THE MAIN DISCONNECT FOR THE OUTLET WAS OPEN. WHILE THE ELECTRICIAN WAS GONE , AN AUDIOMETRIC TESTING TECHNICIAN REACHED INTO THE REEL COMPARTMENT OF THE TRA ILER AND WAS ELECTROCUTED WHEN HE TOUCHED THE TRAILER FRAME. HE WAS STANDING ON A METAL TRENCH COVER AT THE TIME. FURTHER INVESTIGATION REVEALED THAT THE EQUIPM ENT GROUNDING CONDUCTOR FOR THE RECEPTACLE HAD BEEN CONNECTED TO ONE OF THE CIRC UIT TERMINALS AND THAT THE CORRESPONDING CIRCUIT CONDUCTOR HAD BEEN CONNECTED TO
Victims (2)
-
#1 Fatality Age 33 M
- Nature of injury
- 10
- Part of body
- 31
- Event type
- 13
- Source
- 15
- Occupation code
- 208
- Human factor
- 6
- Environmental factor
- 17
- Task assigned
- 1
-
#981 Degree 0 Age 0
- Nature of injury
- 0
- Part of body
- 0
- Event type
- 0
- Source
- 0
- Occupation code
- 0
- Human factor
- 0
- Environmental factor
- 0
- Task assigned
- 0
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