Lincoln Service Parts 1 › Lincoln Electric 9SG4798-3 PLACA SWITCH AC (CHOPPER) G4798-3 Lincoln Electric 9SG4798-3 PLACA SWITCH AC (CHOPPER) G4798-3 Sale Price: $2,967.80 Original Price: $3,412.97 PLACA SWITCH AC (CHOPPER) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PLACA SWITCH AC (CHOPPER) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1