OSHA Accident Investigation · Summary #998542
ELECTRICAL,E GI VI,BUSBAR,ELEC PROTECT EQUIP,ELECTRICIAN,ELECTROCUTED,PANELBOARD,ELECTRICAL WORK,LOCKOUT,BLIND REACHING
Event description
ELECTRIC SHOCK - DIRECT CONTACT WITH ENERGIZED BUSBAR
Investigation abstract
AN ELECTRICIAN WAS INSTALLING FEEDERS FOR FIRE PUMP CIRCUITS AT THE MAIN FIRE PU ING THE CONDUCTORS INTO THE PANELBOARD, THE ELECTRICIAN REACHED BEHIND THE PANEL BOARD'S OPEN TOP COVER TO ATTACH A CABLE TIE. IN DOING THIS, HE CONTACTED THE EN ERGIZED BUSBAR AND WAS ELECTROCUTED. MP PANELBOARD ON THE FIRST FLOOR OF A BUILDING. ALL THE DOWNSTREAM PANELBOARDS W ERE DEENERGIZED, AND THE 2000-AMPERE, 480/277-VOLT MAIN PANELBOARD WAS ALSO DEEN ERGIZED, EXCEPT FOR THE MAIN BUSBARS FOR THE SERVICE ENTRANCE CONDUCTORS. THESE BUSBARS WERE LOCATED BEHIND THE PANEL'S FRAME CHANNELS, ABOUT 7 INCHES BELOW THE TOP OF THE MIDDLE COVER. THE ELECTRICIAN HAD FED THREE SINGLE-PHASE FEEDERS FRO M THE DOWNSTREAM PANELBOARDS TO THE BOTTOM OF THE MAIN PANELBOARD. THESE CONDUCT ORS WERE BROUGHT IN THROUGH THE PANELBOARD AND CONNECTED TO LUGS NEAR THE BOTTOM OF THE PANEL THAT WERE TO BE ENERGIZED AT A LATER TIME. APPARENTLY, AFTER BRING
Victims (2)
-
#1 Fatality Age 53 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 575
- Human factor
- 14
- Environmental factor
- 18
- Hazardous substance
- 8870
- 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
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.