From the bloggers at RV Travel.
We recently purchased a pop-up camper. We set it up in the driveway to check things out. My daughter got a shock when she was standing on the grass and touched the camper door. I checked it out and realized that the extension cord had a bad ground wire. I hooked up an extension cord with a good ground wire, then the camper did not shock me. Exactly what’s happening here? —A Shocked Reader
The thing to understand is that anything plugged into a power outlet has at least some leakage current to its chassis. And if there’s not some way to get rid of this current, then it turns into a voltage on the “skin” (actually the chassis) of the appliance or RV.
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