Put it on the heated side of the insulation or water will condense on the back side of your insulation. Leave a gap between studwall and basement ...
Sounds like you have a loose neutral/grounded conductor/white wire connection somewhere. If it affects all circuits, it may be in the main panel, ...
Sounds like an adjustment problem and possibly the pump. Try posting at www.plbg.com Lots of plumbers hang out there. Good luck.
The red wire is also a hot wire in a sheathed electrical cable nm-b 12/3w/ground. It is a red and black hot wire, a white neutral, and the bare gr...