EE WAS MOVING 2/0 SHOVEL POWER CABLE WITH TWO OTHER EES. THE CABLE WAS RUN THROUGH A SHEAV THAT WAS ATTACHED TO HIS TRUCK AT A CHAIN. UNKNOWN TO EE THE CHAIN HAD COME UNATTACHED AND WHEN ANOTH ER PICKUP PULLED THE CABLE IT MOVE OPPOSITE OF WHAT HE THOUGHT AND THE CABLE WAS PULLED OVER HIS LEFT FOOT,TWISTING IT AND FRACTURING HIS LEFT HEEL.