What are the dangers of using inferior wires? Inferior electrical wires can cause the insulator to break, expose live conductors, cause electric shock hazards, cause short circuits, power failures, damage to electrical equipment, and even cause serious consequences such as fire. So how to identify the true and false wires? Xiao Bian found some simple identification methods from the Internet. 1, look at the label printing samples, the address is unknown. Refers to the label on the label and the insulating cover. If there is a typo or a different shade of printing or the words are fuzzy, you must pay attention. 2. Insulate the skin with a hand, fade, drop the word quality. Refers to rubbing the insulation skin with your fingers. Some poorly insulated wire covers are easily discolored. This is especially true for red lines. After the rubbing, the skin color on the finger or the word printed on the skin is rubbed off. It is generally a poor quality line. 3, then use nails, squatting line, draw down, off the skin in general. It refers to the use of fingernails and enamels to insulate the skin. It is generally a poor quality line that can be drawn down and smashed down. 4. Repeatedly bend the insulated wire and break it three to four times. It refers to the repeated bending of the insulated wire, and the poor quality of the insulating material of the poor quality wire is very poor. After the bending 3 to 4 times, the insulating layer will break. 5. Insulate with the fire ignition wire and leave the open flame fire spontaneously. It refers to the ignition of the insulating layer, and it is the inferior line that can spontaneously ignite after leaving the open flame. 6, the core is commonly used in aluminum and copper, the color is dark and light. Refers to the color of the core. The color of the inferior line is dark and has no metallic luster. 7, a fine inner diameter and outer diameter, see the weight of Pison. It means that if the above six methods cannot be determined, the outer diameter and the core diameter of the insulated wire can also be measured. The allowable error is ±10%. If the measured value exceeds the allowable error, it is basically an inferior insulated wire. Wire electrical appliances 
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