Interceptive wires at septic tank, installed underground splice kits, and ran the wires up into new box. Set post box and outlet to plug sump pump into. Backfilled around septic tank. Added GFCI alarm inside the house for the sump pump. If the pump tripped the GFCI, the GFCI alarm will go off and customer will be able to hear the alarm inside the house.G At some point in the past, the circuits running to the sump pump or disconnected and a circuit from the living room was connected. When Delta plumbing installed new risers and pumped out the tanks, they cut the old wires and then left the circuit on. The septic tank had a live uncovered 120 V wire in the tank.