Common Cable Failure

Common Cable Failure

Date:Jun 01, 2019

Wire surface marking - According to national standards, the surface of the wire shall have a continuous mark of the manufacturer's name, product type and rated voltage. This helps to find the manufacturer in time when problems occur during the use of the wire, and consumers must pay attention to this when purchasing wires. At the same time, consumers should pay attention to the manufacturer's name, product model, rated voltage and the printed mark on the surface of the wire when purchasing the wire to prevent counterfeit products.

Appearance of the wire——When consumers purchase the wire, they should pay attention to the appearance of the wire should be smooth and flat, the insulation and the sheath layer are not damaged, the mark is clear, and there is no greasy feeling when the hand wire is used. From the cross section of the wire, the thickness of the insulation or sheath on the entire circumference of the wire should be uniform and should not be eccentric. The insulation or sheath should have a certain thickness.

Conductor wire diameter - consumers should pay attention to whether the conductor wire diameter is consistent with the cross section clearly indicated on the certificate when purchasing the wire. If the conductor cross section is small, it is easy to cause the wire to heat up and cause a short circuit. It is recommended that household lighting lines use 1.5 square millimeters and above; household appliances with high power such as air conditioners and microwave ovens should use wires of 2.5 square millimeters and above.

Standard use - should be standardized wiring, fixed line is best to use BV single core wire to wear the pipe, pay attention not to damage the wire when wiring, do not touch the wire when decorating the room; do not connect in the middle of a route; wire access to electrical appliances Do not touch the cable when the box (box); in addition, household appliances with large power consumption, such as air conditioners, should be powered by separate wires; the wires for weak electricity and strong electricity should be kept at a certain distance.

Common faults in cable lines are mechanical damage, insulation damage, insulation moisture, insulation aging deterioration, overvoltage, cable overheating faults, etc. When the above fault occurs on the line, the power supply of the faulty cable should be cut off, the fault point should be found, the fault should be inspected and analyzed, and then the repair and test should be carried out. The cut-out can be resumed after the fault is eliminated.

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