A #6 WIRE HAD A NICK IN IT'S INSULATION AND SHORTED TO METAL IN THE MCC WIRE WAY. RIGHT BEHIND WHERE THE SHORT ACCURED WAS THE 800 AMP MAIN BUSS. WHEE THE #6 WIRE THE #6 WIRE SHORTED IT MUST OF TRACKED OVER TO THE 800 AMP BUSS WHICH THEN SHORTED TO THE METAL IN THE SAME LOCATION AS THE #6 WIRE SHORTED.