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Employee was hooking up a charging nip to a coal hauler battery. While tightening the nip the employee received burns on EE's left hand and left ring finger. Some of the burns are possible 2nd degree burns. The employee works for Jennmar services and is under Knight Hawk Coal, Prairie Eagle Underground Mine's supervision.

IE was unplugging a VFD power cable when an arc flash occurred.

EE working on primary pit crusher when somewhere in the line of equipment was struck by lightning which resulted in the current flowing through the wrench EE was using on the equipment. The electrical current exited EE's arm. EE was knocked onto the ground. Emergency services called and EE was taken to the ER.

The employee was attempting to trouble shoot an issue on the 3/4-inch stacker inside the MCC. The employee opened the bucket of the MCC and did not turn off the power to the bucket, while attempting to remove a fuse an arc flash occurred injuring the employees' hands.

Plant Manager was reversing the rotation(polarity) of the sand screw motor at the electrical panel which created an arc flash in the panel

On January 14th, 2026, a shuttle car operator was handling an energized electrical cable, whenever EE was exposed to arc flash, which resulted in burns to the hands and facial area, due to short circuiting of the energized cable.

I.E. was moving a cable over when they came in contact with exposed leads where the cable had been damaged.

conditions was normal

EE was working in an electrical panel while setting up a new crushing facility. The breaker below the one EE was working on blew up and burnt EE's hand. The manager of the facility was nearby and took EE to the hospital.

Contractor electrician and another EE went to the GFI, talked about what was happening w/dredge etc. They pulled the handle to trip fuses. EE opened the GFI door and talked about how everything worked. EE looked and tested the fuses down low w/EE's meter then went to test things up higher and that's when EE's meter blew up.

Notified that an incident occurred. Upon checking near the main shop area, Miner 1 (an electrician) was found lying on the main floor, surrounded by fellow miners. It was determined that the 440 main breaker had experienced a catastrophic failure. Subsequent observations revealed that Miner 1 had borne the brunt of the failure and sustained 2nd-degree burns to both hands.

Electricians were trouble shooting panel on miner, before they knocked the breaker injured bent over to look inside to see where the smoke was coming from when an arc flash occurred. Employee was burnt on left side of face and right hand, removal of burnt skin was needed.

The injured employee and a 3rd Part Electrical Engineer were troubleshooting a permissible line splitter. A faulty monitor was identified, the 110 volt circuit was de-energized and the employee proceeded to remove the monitor. Both electricians believed the high voltage was de-energized and during the monitor removal, the employee contacted a phase of the energized high voltage.

After conveyor did not start, Employee went to check the reset button on the electrical panel. When they bent down to see it, their hand was close enough to the panel that they believes sweat dripped from their hand and electricity jumped from panel to their left pinky finger.

Employee was changing fuse on a 60V quick charger. EE unplugged the wrong charger and inserted the fuse without the fuse cap which resulted in EE feeling a shock. Employee claimed later that EE felt a tightness in EE's chest and had abnormal breathing.

Employee was replacing the grid in the screen deck. As EE prepped to weld, EE received a shock rendering EE unconscious and casing a small burn on the back of EE's right thigh. EE was sitting on the screen deck when the shock occurred.

Team member was replacing a 480V breaker inside switchgear with proper lockout. During this process, their screwdriver contacted a grounded surface causing an arc flash causing burns to face, arms, eyes and lungs.

Miner was appx. 30' away from a capacitor that failed resulting in an ARC flash. Miner denied any injury and refused medical evaluation. On July 8, 2025 miner reported ringing in left ear and shortness of breath from event that occurred on June 12, 2025 and was sent for eval. At no time was a workplace injury reported until July 8,2025. Injury is under compensability investigation.

A maintenance employee was welding on a haul truck bed in wet conditions and received a shock. As a result, a physician has placed the employee on restricted duty.

Tasked with pre-use inspection of a high voltage switch gear. Injured noticed dust on the receptacle and went to wipe with a rag. A capacitive discharge entered EE's hand and body. This resulted in a small burn to EE's left and where the discharge exited and muscle soreness in forearms, shoulder, back.

Employee was removing battery cable to lock out the John Deere 318G Skid Steer when the wrench EE was holding made contact with the the positive post and EE's wedding ring contacted the frame causing a burn to EE's left ring finger.

Employee was working on an electrical unit was electrocuted.

The employee was attempting to move and hang the bolter cable when employee's hand came in contact with a cable connector that had become exposed.

Employee is the continuous miner sections electrician and was called to the miner for an error code of "MCT Top' code. When the employee arrived at the miner, employee knocked the breaker panel & the inner breaker panel. Began opening the left side panel box. Employee was looking around inside that location & then an arc flash occurred, & employee had received an electrical shock.

Employee got shocked by a faulty speed switch on a conveyor.

Sunny, incident occurred indoors with full lighting. The injured party suffered burns to both hands (non-life threatening) while installing a ground inside an MCC. The ground wire recoiled due to line memory and rebounded once let go into the adjacent bus bar creating the arc.

Electrician was testing a breaker, the fuse box arc flashed throwing the electrician back causing minor FA treatment burns on R wrist and neck. The employee was taken to the ER for evaluation and was released with no serious injuries or restrictions. Employee was re-evaluated on 1/24/25 for aches and pains to R wrist and R knee and was prescribed sessions of physical Therapy.

At approximately 8:10 a.m. on Thursday December 19th, 2024. The employee was attempting to troubleshoot the Screen #2 Feed located in the Allen-Bradley Cabinet, when an Arc Flash occurred resulting in burns to EE's face.

IE was setting up a breaker for a CM when the cable arc flashed inside the cathead. The flash came out of the back of the cathead and burned the employee on employee's side, inside of arm, and knee on right side.

Employee states employee was shocked while changing batteries on the scoop. Employee continued to operate the scoop until later when employee informed employee's boss and asked to be brought out of mine to be checked by a doctor.

Employee was fixing a light fixture in the AF ER Room. Had the wrong breaker turned off (labels are on breaker panel (1) Building Lights (1) ER Room). Used tick tester and it was faulty. Showed no voltage. Employee grabbed connector and received electrical burn.

Employee was removing a bolt from a junction box when EE received a shock to EE's left hand.

An Arc Flash occurred as an employee (EE) attempted to throw a transfer switch that was under load. The flash blew the enclosure door open. This struck the EE in the face and forced the EE backward. EE received minor burns to the left cheek and neck while sustaining facial injuries to the mouth and teeth.

Customer truck driver pulled to the washout station, lifted the bed of EE's truck into a overhead power line and stepped out of EE's vehicle. The driver touched the side of the vehicle and was electrocuted. EE was knocked to the ground but got up and attempted to start washing out the bed of EE's truck. The only visible injury was a burn on EE's hand.

Feeder belt stalled due to electric motor shorted internally.

Attempting to reverse the direction of a conveyor motor.

Employee was changing receptable when EE contacted an energized receptacle resulting in a shock.

Employee was actively building scaffold in the mill when EE came into contact with an unidentified live wire. Employee received a shock which caused EE to lose balance and fall approximately 2'. Employee's harness caught EE, EE got self off the catwalk and went for medical treatment. Received scratches to left arm and was taken out of work by doctor until 8/23/24

Employees were using a chain hoist to lower parts down into the tunnel. One employee grabbed the chain on the hoist and had EE's hand on the handrail, which created a ground, causing EE to receive a shock of 270 volts. The 480-volt outlet was wired incorrectly. The employee was taken to the clinic, evaluated, and returned to work with no ill effects.

While performing electrical switching underground during maintenance activities, a circuit breaker failed causing an arc flash. As a result of the arc flash, an employee received third degree burns on the back of their left hand. The employee was evaluated at the local hospital and will remain away from work to receive further treatment.

EE was exposed to electrical smoke when EE entered a power room to rescue worker that was exposed to an arc flash event

Smoke and fire extinguisher dust inhalation after responding to an arc flash accident at the site.

EE was exposed to electrical smoke when EE entered a power room to help rescue a victim that was involved in an arc flash event

EE was exposed to electrical smoke when EE entered a power room to help rescue a victim that was involved in a arc flash event

Smoke Inhalation

EE was exposed to electrical smoke when EE entered a power room to rescue worker that was exposed to an arc flash event

EE was exposed to electrical smoke when helping rescue a victim that was involved in an electrical arc event

EE was exposed to electrical smoke when entering the power room to rescue victim that was involved in an electrical arc flash.

EE was exposed to electrical smoke when EE entered power room to rescue worker that was exposed to an arc flash event.

On July 31, 2024, an experience plant electrician was assigned the task of repairing a portable conveyor. At approx. 8:28 am the conveyor was cleaned and moved into the shop for repairs. The elec. replaced a 240 v. 4 wire plug. When conveyor was plugged into an outlet and start button was pushed, the elec. received a shock, the plug was wired incorrectly. Employee was eval. at ER.