Welding apparatus in this class including resistance welding electrodes, electrodes, wedge insert captip adapters, welding wheel for seam welders, holders for stationary welders, resistance welding guns, equalizing guns, high efficiency transformers, robot guns, portable guns, welding gun cylinders, pressure pats, portable spot welders in this class, timer/contacter, portable spot welding transformers, welding controls, resistance welders in this class and parts and accessories therefor namely, resistance welder transformers, mig-guns for arc welding; cables including secondary welding cables, kickless cables, 2-line type welding cables, air-cooling jumper cables, laminated shunts, hand switches, checking equipment, including monitors, ampere meters, cycle counters, on-stage angle checkers, welding pressure meters, parts and accessories for all of the aforesaid goods in this class.