BUILT-IN REMOTE CONTROL FACILITY IN EACH MODULE; INDIVIDUAL UNITS CAN BE PARALLELED; EASY MEANS FOR CONNECTION TO A COMMON WORKPIECE; DUPLEX 115 VOLT RECEPTACLE WILL PROVIDE 10 AMPERES OUTPUT FOR JOB SITE CONVENIENCE; REDUCED FLOOR AREA; TRANSPORTS AS A SINGLE UNIT; EACH MODULE CAN BE CONNECTED FOR EITHER DC STRAIGHT OR REVERSE POLARITY; EIGHT WELDING CONTROL MODULES; COMMON STEEL ENCLOSURSE