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The power cord connectors are divided into "ten" word connection, "-" word connection, "T" word connection and so on. The joint should be tightly wound, smooth and without thorns.
1. Wire connector connection method
Power cord connectors are divided into "ten" word connection, "-" word connection, "T" word connection and so on. The joint should be tightly wound, smooth and without thorns. Before the thread is disconnected, you should press it lightly with the wire pliers, then wrap it to the mouth, and then swing it from side to side, the thread will be disconnected at the joint very conformingly. If the joint is in a dry place, first wrap two layers of insulating black cloth, then two layers of plastic tape (also called PVC adhesive tape), and then use J-10 insulating self-adhesive tape to stretch about 200% and wrap two or three layers. Finally wrap two layers of plastic tape. Because the direct use of plastic tape has many disadvantages: the plastic tape tends to be misplaced and opened after a long time; when the electrical load is heavy, the connector heats up, and the plastic tape is easy to melt and shrink; the power connector is pressed against each other in the junction box and the connector has burrs. It is easy to puncture the plastic tape, etc. These hidden dangers directly endanger personal safety, cause moderate wiring and cause fire. However, the above situation will not occur if the insulating black tape is used. It has a certain strength and flexibility, can tightly wrap the joints for a long time, and is dry and fixed under the influence of time and temperature, will not fall off, and is flame retardant. Furthermore, it can prevent moisture and rust by wrapping it with insulating black tape and then wrapping it with tape. Of course, the insulating self-adhesive tape also has defects. Although it has good waterproof performance, it is easy to break, so two layers of plastic tape must be wrapped as a protective layer at the end. The insulating self-adhesive tape of the joint and the joint are non-sticky, and the performance is better.
2. how to waterproof the wire connector
High-pressure waterproof tape, the same usage as ordinary plastic insulation tape, just wrap it up. This kind of tape looks like rubber, like the black, soft, and thicker kind of car tires. After wrapping it, it becomes a whole by pinching it. It is completely sealed and not afraid of water. You can buy them everywhere you go to sell electrical materials.
3. Introduction of wire joint casing
For general power cords, use quality and harder casing pipes. The casing pipes have better fire resistance and waterproof performance.
Casing, usually used in the basement of a building, is used to protect pipes or iron rings to facilitate pipe installation.
Classification of casing: rigid casing, flexible waterproof casing, steel pipe casing and iron casing, etc.
