Insulating tape, also known as insulating tape, tape, is composed of a base tape and a pressure-sensitive adhesive layer. It is a kind of tape used by electricians to avoid leakage and have an insulating effect. So, why can insulating tape avoid leakage? What are the tapes need to pay attention to in the operation and application? Below, we will cover common sense in this area for us.

Introduction:

Insulating tape is widely used in electrical operations such as wrapping, joints, insulation and sealing of wires used in masking tape under 380V voltage. There are two production processes: rubbing glue and glue coating. Production process: PVC film is used as the base material and coated with rubber pressure sensitive adhesive.

principle:

Direct use of plastic tape has many defects: plastic tape is easy to misalign and open the glue for a long time; when the electrical load is heavy, the connector heats up, and the plastic tape is easy to melt and shorten; the power connector knead each other in the junction box, and the connector is easy to tie when there are burrs. Injury plastic tape, etc.

These hidden dangers will directly endanger personal safety, cause circuit short-circuits, and cause fires. The use of insulating black tape will not show the above situation. It has certain strength and flexibility, can be wrapped tightly at the joint for a long time, is compact and shaped by the influence of time and temperature, will not fall, and is flame-retardant. Furthermore, wrapping it with insulating black tape and then wrapping it with plastic tape can prevent moisture and rust.

Of course, the insulating self-adhesive tape also has defects. Although it has good waterproof function, it is easy to break, so it is necessary to wrap two layers of plastic tape as a protective layer. The insulating self-adhesive tape of the joint and the joint does not stick to each other, and the function is better.

Operation method:

In the process of using electricity, although people have noticed that the size of the cross-sectional area of ​​the power cord has an impact on the safe use of electricity, they often fail to pay attention to the use of insulating tape on the joints. The laying of power lines is becoming more and more messy, running under the wooden floor, in the wall, in the partition, and wet underground or in the water. If the insulating tape is used improperly, electric leakage will occur, endangering personal safety. Therefore, we must use the insulating tape correctly. The power cord connectors are divided into “+” word connection, “-” word connection, and “T” word connection. The joint should be tightly wound, lubricated and free of burrs. Otherwise, before disconnecting the thread, use wire cutters to press it lightly, then wind to the pressure port, and then swing left and right, the thread will be compliantly disconnected at the joint. If the joint is in a dry place, first wrap 2 layers of insulating black tape, then 2 layers of plastic tape, and then use insulating self-adhesive tape to stretch about 200%, wrap 2 to 3 layers, and finally wrap 2 layers of plastic tape.

After understanding, although the insulating tape has outstanding insulation voltage resistance, flame retardant, weather resistance and other characteristics, it is suitable for wire connection, electrical insulation protection and other characteristics, but if the operation is improper, it will not only not have the protective effect, but may also endanger the human body. Safety may cause a fire. Therefore, when using it, it is necessary to have basic common sense in this area.

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