I'll try and be brief. I got home with my new TT and plugged it in to an outbuilding on a 20amp breaker. Sometime later I discovered I had no power to the building but the breaker was not tripped. after a while I found a portion of the wire (common?)to be shorting out and I replaced it. I moved the camper and plugged into another building on a separate breaker box and after several days I noticed the outlet had no power and the breaker was not tripped also. I never turned on the air, water heater, fridge, microwave, etc. I only plugged in to keep the battery charged and use some lights. At this point I suspected the TT was causing the problem??? We made several trips and no problem at the campground. I since have installed a RV 30 amp breaker box on a designated circuit and no problems. Since this has only happened to circuits I have plugged the TT into I suspect the TT has a problem with the wiring that will show its ugly head at some point. Any helpful advice will be appreciated. Well, any humorous sarcastic help will be accepted.