Deep well submersible pump question

   / Deep well submersible pump question #11  
A 3-wire pump uses 4 wires because they added a ground wire back in the 90's. A two-wire pump uses three for the same reason. The 4th wire (or 3rd) is just a ground.

You should be fine with the franklin box, but they can't tell you that. Something about CYA. I would at least try it and see.
 
   / Deep well submersible pump question #12  
They didn't need stinking ground wires back when my pumps were first put in[I guess],cause there are only two wires running into house:D,,

Works,feel a little tingly sometimes,,but just figured it was the high blood pressure pills working and doing good things to me.
 

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