I know this was all covered below, but I'm having trouble figuring out what I did or didn't do wrong. So a brief background:
One of the power sources at my boatyard is a nightmare, so I've been working with a 12V battery and inverter to do all my installations. Everything has been working cool.
Yesterday, the battery took a crap (I haven't charged it since I bought it), so I had to hook up to a SECOND power source. Unlike the first source, this time, everything worked fine--nothing tripped on the panel.
But...
As I touched a metal receptacle, I could sense the current. Mild shock, but call me crazy--I don't want ANY. To compound matters, the three outlets all tested fine with the tester.
There's one other factor to keep in mind, and this is that there was a lot of rain on Thursday, and my TD floor was a bit wet.
I know I shouldn't assume, but let's DO assume this second power source is all screwed up. How do I deal with this if it happens at a camp site? Should I have grounded the main panel to something?
I just knew that my electrical headaches hadn't gone away forever.