Water "Proofing" 30 amp Connections
Here in Ontario runs to the campsite power post can be quite long, 100' or more not being unusual at all, so using extension cables are a way of life ... to solve this I long ago built a set of custom...
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An side- we had a humidifier which is simply a reservoir with two wires stuck down in to it- the wires hooked to the power cord. Our water is pure enough that it wouldn't do much- though it would sizzle a bit. Add a teaspoon of salt, and the thing goes to town.
