DIY ground probe?

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Originally Posted by mike31154

Where/how is a grounding probe hooked up?
Edit, never mind, I'll google.
Edit again.... Ok so this thing plugs directly into a wall receptacle??!! You better hope the plug is well made so there's no leakage from your house wiring back into the tank!!! And make sure the receptacle you're plugging into is properly wired.

The only pin that's connected is the ground