Abstract: One member of a power line crew was standing on the ground, holding onto the metal tongue of a trailer that was being hoisted by a digger derrick. As the boom on the digger derrick approached an overhead power line, current arced from the power line to a hydraulic hose at the top of the boom. The employee holding onto the load was electrocuted.

Abstract: AN EMPLOYEE WAS USING ELECTRICAL TEST EQUIPMENT TO WORK ON A CONTROL PANEL. ONE OF HIS JUMPERS AND TEST LEADS BECAME DISCONNECTED. DUE TO AN OVERVOLTAGE, ELECTRIC CURRENT ARCED TO THE EMPLOYEE, WHO WAS STANDING ON A STEEL-PLATED FLOOR. THE EMPLOYEE WAS ELECTROCUTED.

Abstract: AN EMPLOYEE ON A POWER LINE CREW WAS WORKING ON THE GROUND. A COWORKER WAS OPERATING AN INSULATED AERIAL LIFT NEAR AN OVERHEAD POWER LINE. THE EMPLOYEE ON THE GROUND TOUCHED THE AERIAL LIFT TRUCK AT THE SAME TIME AS THE AERIAL LIFT'S BOOM GOT TOO CLOSE TO THE POWER LINE. ELECTRIC CURRENT ARCED TO THE BOOM, AND THE EMPLOYEE ON THE GROUND WAS ELECTROCUTED.

Abstract: THREE EMPLOYEES OF A FENCING CONTRACTOR WERE REMOVING AN OLD FENCE SO THAT THEY COULD INSTALL A NEW FENCE AROUND A SUBSTATION AT A STEEL PLANT. ONE OF THE EMPLOYEES CLIMBED TO THE TOP OF A WOODEN LADDER AGAINST THE EXISTING 6-FOOT-HIGH, GROUNDED METAL FENCE. SOME 13.8-KILOVOLT BUSBARS WERE LOCATED WITHIN THE SUBSTATION, 40 INCHES FROM THE FENCE AND 8 FEET, 1 INCH ABOVE THE GROUND. THE EMPLOYEE ON THE LADDER BEGAN USING PLIERS TO REMOVE THE OLD FENCE. A SECOND EMPLOYEE, WHO HAD BEEN HOLDING THE LADDER, TURNED TO WALK TOWARD THE CREW'S TRUCK, WHICH WAS PARKED NEAR THE FENCE. THE THIRD EMPLOYEE WAS STANDING AT THE TRUCK. THE BUS ARCED, AND ALL THREE EMPLOYEES WERE BURNED. THEY HAD BEEN WORKING TOO CLOSE TO THE BUS. THE EMPLOYEES WERE HOSPITALIZED FOR THEIR INJURIES.

Abstract: A POWER LINE CREW WAS PLACING NEW UTILITY POLES AND WAS MOVING A 7200-VOLT OVERHEAD POWER LINE FROM OLD POLES TO THE NEW ONES. AN EMPLOYEE PLACED A WRENCH ON A BRACKET NEAR AN ENERGIZED TIE WIRE THAT WAS IN CONTACT WITH A PHASE CONDUCTOR BUT WAS STILL LOOSE ON BOTH ENDS. THE EMPLOYEE'S HAND WAS ONLY ABOUT 16 INCHES FROM THE CONDUCTOR. ELECTRIC CURRENT ARCED FROM THE ALUMINUM TIE WIRE TO A BRACKET THAT HE WAS TOUCHING AT TWO POINTS. THE EMPLOYEE, WHO HAD HIS RIGHT LEG ON A GROUNDED TRANSFORMER MOUNT AND WHO WAS NOT USING ANY ELECTRICAL PROTECTIVE EQUIPMENT, WAS ELECTROCUTED.