VOLTAGE TRANSFER SWITCH BURNED UP, THIS MODEL IOTA ITS-50R HAS BEEN RECALLED FOR 5TH WHEEL AND TRAILERS BUT NOT FOR MORORHOMES. AT THE TIME OF THE INCIDENT IT WAS 1:30 IN THE MORNING WHILE THE MOTOR HOME WAS CONNECTED TO 50 AMP SHORE POWER WITH JACKS AND 3 SLIDES EXTENDED. WOKE UP TO ALARM AND COACH FILLED WITH SMOKE AND SMELLED LIKE BURNED WIRES, INSPECTION OF TRANSFER SWITHCH INSIDE OF BOX WAS MELTED AND COVER WAS CHARRED, NOT SURE OF DAMAGE UNTIL DEALER REPLACES THE TRANSFER SWITCH AND INSPECTS ALL 110 ELECTRICAL COMPONETS.