Rugged, Proven Construction for Wire Welding The rugged CV400 is ready to tackle MIG and cored wire fabrication and production work in a variety of industries: transportation, heavy equipment, structural steel, railroad, furniture, appliances and sheet metal fabrication. Simple fixed inductance, time-proven technology and heavy-duty construction will deliver years of reliable performance. Lincoln Electric unique fixed inductance design - Delivers exceptional short-circuit metal transfer characteristics. 115V and 42V wire feeder auxiliary power - With circuit breaker protection. Connect wire feeders via either - 14-pin MS-type or terminal strip. Internal components, including windings, rectifiers and circuit boards - Coated to protect against the effects of moisture and corrosion. Seven year warranty on the output rectifier. .