Refer the sequence shown in Fig. 9 below for insulating the cable joint for under water application:
Danger
Hazardous voltage will cause death, serious injury, electrocution
Disconnect all power before working on this equipment and that it cannot
be accidentally switched ON.
Standard Single Phase Openwell Submersible are supplied with a 3-core PVC-insulated flat cable
of length 3 meters. On demand a 10-m long cable can be supplied
The free end of the 3-core cable of the motor needs to be connected to the supply cable from the
control panel
As this joint is always nearly submerged in water, the joint needs to be waterproof
Waterproofing the Submersible Motor Cable - Supply Cable Joint
OMOW002A 18 2020.01