Using a generator to power a trailer with GFCI outlets

  Hello Mike, I have a new mobile food trailer with GFCI outlets that is powered by a new Honda EU7000is generator. The last part of my permit process was passing electrical inspection, which I failed. The inspector said the electric problem is the outlets in the trailer having reverse polarity. He used one of these (right) to test the... Read More

Beware of Electric Shock Drowning — Critical information!

  You’ve most likely read my articles and watched my videos about RV hot-skin conditions. But for those of you who boat or swim around boat docks, there’s another dangerous shock condition that claims dozens of lives a year. It’s called Electric Shock Drowning (or ESD for short), and it occurs when a boat or dock is powered by an... Read More

RVer wonders if shock from RV is due to reversed polarity

  Hey Mike, I replaced the valve on my black water flush-out system today and noticed that when I touched any metal part of the frame of my trailer, I could feel an electrical current running through it! Not enough to really shock me, but certainly enough to cause some discomfort. It doesn’t matter where on the frame I touch,... Read More

DIY: Safe way to test the ground wire “bond” to the RV frame

  Dear Mike, You talk a lot about RV grounding and bonding, and I understand that the frame of the RV is supposed to be connected to the green ground wire. But exactly how is the ground wire connected to the RV frame and is there a definitive test for this? —Eddie Dear Eddie, Yes, you are correct that the... Read More

Can RV parking under power lines cause a dangerous ‘hot skin’ condition?

  Dear Mike, I’ve been reading about hot-skin voltages on your No-Shock-Zone site for a while and have come up with a really strange one. We unplugged from a campground and drove several hundred miles before pulling into a storage facility. But when I got out and knelt on the wet ground to check my tire pressure and touched the... Read More

Hooking up 50-amp trailer to 30-amp service at campground

  Hello Mike, If you have a 50-amp trailer and 30-amp service is the only service available at the campground post, can you show me a wiring schematic of the adapter pigtail I would use to adapt from 30-amp service to a 50-amp trailer. When we run across this situation I am always curious how this adapter can supply power... Read More