Miners were switching the belt motor from reverse to forward on the Thunderbird under belt conveyor. Two miners were inside Switch Van One, one miner was switching the wires to reverse the motor. The other miner was acting as an observer and communication relay. While doing so there was an arc flash inside of the electrical box.
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3 matching records
Showing all 3Miners were switching the belt motor from reverse to forward on the Thunderbird under belt conveyor. Two miners were inside Switch Van One, one miner was switching the wires to reverse the motor. The other miner was acting as an observer and communication relay. While doing so there was an arc flash inside of the electrical box.
Shorted ground wire causing burns to arms.