Public Service Company of Colorado

An employee was cutting through two secondary wires with a battery-powered cutting tool. The wires were energized at 120/240 volts; when the employee cut through the insulation around a wire, an arc flash burned the employee's left thumb.

An employee was on the roof of a house, securing overhead electrical service to a mast. The mast failed and broke off from the attachment point, causing the employee to fall from the roof. The employee suffered a broken left femur and was hospitalized.

The employee was moving a wall partition and cut the end of his finger on the edge of the wall partition resulting in a partial amputation of the fingertip.

An employee was installing a 15-amp breaker in an electrical panel when a 12-gauge ground wire touched the positive busbar of the panel, resulting in an arc flash. The employee sustained a second-degree burn to their left hand.

An employee was repairing an HVAC system in the drop tile ceiling of a conference room when they were shocked, causing them to fall from the ladder. The employee sustained burns to their right middle and ring fingers.

An employee was replacing a contactor inside an electrical panel attached directly to a press. The press itself was receiving power from another main panel. After replacing the contactor, the employee flipped the switch and an arc flash occurred, burning the employee's elbow, bicep, and neck.

An employee was attempting to switch a medium-voltage primary cable and install a 200-amp fuse barrel. The employee contacted the bottom of the switch gear cradle for the fuse barrel, causing an arc blast. The electricity entered the employee s left hand and exited his big toes, resulting in electric shock and burns to the left hand, arm, shoulder, and both feet. The employee was hospitalized.

On December 6, 2023, an employee of Duke Energy was working on a single-phase 120-/240-volt parallel service re-tap when a secondary flash occurred in an underground service. The employee suffered a second-degree burn to the face and was hospitalized.

An employee was setting up communication equipment for a meeting. They were walking and tripped over a speaker on the ground. The employee sustained a leg injury.

An employee (a lineman) was working to restore power by installing a hand line when he contacted a high-voltage device (7,200 volts), resulting in electrical burns to his upper body and hands.

A chain sling failed while a utility pole was being removed. A chain link struck an employee who was operating a front-end loader, puncturing the employee's chest.

An employee was working with an underground crew to troubleshoot a BUD failure. The employee was removing a fuse from the fuse holder when the fuse blew on the riser and an arc flash occurred. The employee was hospitalized with burns to his face, nose, lips, and neck.

An employee was connecting two wires when his rubber insulated gloves failed and he suffered an electric shock to his right hand, resulting in an electrical burn.

An employee was delivering materials. He was doing his pre-delivery inspection on the roof of the jobsite (a warehouse) when he fell through a plexiglass skylight. He landed on his feet on the concrete floor 14 feet below. The employee sustained fractures to his spine, left ulnar/radius, and right heel. The employee required surgery.

An employee was cutting cabinet trim using a table saw when four fingers on his left hand were severed, resulting in hospitalization and amputation.

An employee was removing packaging from a roll of printing substrate. The blade of their utility knife got stuck. The employee used both hands to free the knife and the blade partially amputated their left little fingertip.

A concrete batch plant operator was assisting with clearing spoil piles using a skid steer. The skid steer backed into a stationary screen plant. The employee's left little finger was crushed between the controls of the skid steer and the screen plant, resulting in a fracture and laceration. The employee's finger was surgically amputated.

An employee was standing on an extension ladder, using a torquing tool to remove bolts that secured blades to a rotor. When the torquing tool activated, its reaction arm came around and pinched the employee's right middle finger against a lifting eye. His fingertip was amputated.