RV STARTED TRIPPING INSIDE BREAKER. UPON INSPECTION THE NEUTRAL WIRE GOING INTO THE GENERATOR TRANSFER BOX WHICH IS LOCATED UNDER THE BED WAS FOUND TO BE BURNT THRU THE INSULATOR AND INTO THE HOT LEAD WHICH CREATED A DIRECT SHORT. THIS IS THE MAIN WIRE FROM THE OUTSIDE SOURCE GOING DIRECTLY INTO THE RV. PROBLEM IS WITH THE TWIST CONNECTORS USED TO CONNECT SINGLE STRAND ELECTRIC WIRE TO MULTI STRAND WIRE. UPON INSPECTION OF OTHER WIRES INSIDE THE BOX USING THE SAME SINGLE STRAND WIRE TO MULTI STRAND WIRE AND TWIST CONNECTOR LOOSE CONNECTIONS OR POOR CONNECTIONS WERE FOUND WHICH CAUSES WIRES TO HEAT UP AND CATCH FIRE. THE BURNT WIRES AND CONNECTORS AND PICTURES ARE IN MY POSSESSION IF NEEDED. THE RV WAS NOT RETURNED TO THE DEALER FOR INSPECTION DUE TO THE SIX WEEK WAITING PERIOD, SEPTEMBER 13TH, BEFORE IT COULD BE EVEN LOOKED AT AND INSPECTED.