2. In order to ensure that the joint can withstand a certain pressure, it is recommended to add a sheath tube to strengthen insulation and protection.
3. The self-adhesive tapes (or heat-shrinkable waterproof tapes) used are all high-voltage products to ensure insulation safety.
4. During construction, it is best to adopt staggered butt joints for the joints (that is, the cables do not need to be neatly cut and butt jointed).