Wiring advice/help needed (voltage in tank)

[Wildechild_01]

Originally Posted by gregzz4

I have both 2 and 3 prong equipment in the sump


It's an auto-ranging meter, and reads 119~VAC in the outlets
Like I said, 0.07

I can't say 100% but my guess is that something else in your sump is acting as a ground for the tank, and that's awesome.