Crace Elkhorn Coal Company Inc · Quemaduras por arco (eléctrico)
WELDER WAS BROU1HT ON THE JOB FOR SURFACE USE AND WAS NOT INSTALLED FOR USE THE FOREMAN ATTEMPTED TO HOOK WELDER TO 480 V BY INSERTING THE ENDS OF THE WELDER SUPPLY CABLE UNDER THE ENDS OF FU SES THE WELDER 4AS EQUIPPED WITH 4 WIRES IN ONE SINGLE CABLE TWO OF WHICH GO TOGETHER FOR EACH POWER LEG THE FOREMAN HOOKED 2 WIRES OF SAME POWER LEG ON WELDER TO TWO SEPARATE LEGS ON MAIN POW