How to connect the cable of deep well submersible pump

How to connect the cable of deep well submersible pump
    The factory is usually only leads to the cable, the user installation also need to deep well submersible pump cable, so when the cable should pay attention to the correct method, or the use of submersible pumps have a great impact. Deep well submersible pump factory is generally only leads to the cable, the user installation also need to deep well submersible pump to connect the cable, so when connecting cables to pay attention to the correct way, otherwise the use of submersible pumps have a great impact.
Connection Method of Deep Well Submersible Pump
1, stripping the outer sheath of the pump cable and the main insulation layer, exposing the copper wire 35-40mm, near the core part of the rubber repair cone, the core oxide layer polished clean, and with alcohol (preferably Hydrochloric acid) to wipe the core and the insulating layer to be wrapped, sheath layer and make it dry naturally.
2, connectors
1) Power cable 2) Polyvinyl chloride adhesive tape 3) Self-adhesive butyl rubber tape 4) φ1mm copper wire 5) Solder 6) Lead cable
3, ready 500W soldering iron, rosin, solder, lmm bare copper wire and insulation.
4, with bare copper wire evenly tighten the cable core, electric iron heating, infiltration of tin, requires penetration, infiltration. Repair the flat welding part with a file (do not allow burrs and sharp shuttle), and wipe again with alcohol to be bandaged part, dry.
5, first with self-adhesive butyl tape half-package three-tier, and gradually extend to the external core. Bandage must be stretched 200% of the tape, the outer layer of PVC tape and then half-wrapped three-tier package, but also gradually out to ensure that the bandage part of not less than 200mm.
6, three-core cable connector should be staggered by the distance of the three joints in order to prevent short-circuit.
7, when the lead-out cable for the dual-wire method of wiring
1) After the cable connected to the first test cable and motor (without water) insulation resistance, the value of not less than 150 megohm,
2) motor filled with water and then shake the motor winding insulation resistance should not be less than 40 megohm,
3) turn on power test (time not exceeding 2 seconds). Do a good job continued position mark