THE PIT SUPERVISOR WAS PULLING THE EXCESS SLACK OUT OF A SHOVEL POWER CABLE. EE WAS STATIONED AT THE SHOVEL STANDARD TO WATCH THE SLACK. THE CABLE PULLED TIGHT TO THE STANDARD AND CAUGHT HIM A T THE ANKLES, TRIPPING HIM. HE FELL TO THE GROUND AND LANDED ON HIS RIGHT ELBOW. HE WAS FOUND TO HAVE A FRACTURED ELBOW AND UPPER ARM.