CIXI KYFEN ELECTRONICS CO.,LTD,
How to identify the national standard cable cable
1.Take a closer look at the label printing samples. The address of the handwriting 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 blurred, you must pay attention to it. 2.Insulate the skin with a hand, fade the color, remove 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.
First, the difference between flame-retardant cables and fire-resistant fire-resistant cables For flame-retardant cables, we require the IEC-332-1-2-3 standard at minimum, and the corresponding specification for fire-resistant and fire-resistant cables is IEC-331. The contents of the two assessments are different. (1) The fire-resistant fire-resistant cables and fire-retardant fire-proof cables have different technical structures and different functions. (2) Flame-retardant fire-retardant cables shall have flame-retardant functions in addition to
What happens to the cable when it encounters fire? Cable fire protection
In recent years, frequent fire accidents have brought great challenges to the cable industry. When the cable encounters a fire, what steps should be taken? Or what should we do to prevent a cable fire accident before we encounter a fire? In order to prevent cable fire accidents, the following precautions should be taken: (1) Select cables that meet the thermal stability requirements. The selected cable, under normal conditions, can meet the heat requirements of the long-term rated load. In the case of a short circuit, it can meet short-term thermal stability and
Commonly used cable, wire, network cable, cable TV line representation
For reasons of work, various types of cables, wires, network cables, and cable television lines are often used, but often only a few types are used. The commonly used methods and applications of cables, wires, network cables, and cable television lines are briefly described. induction. First, the meaning of various commonly used letters R-connecting flexible cable (wire), soft structure. V-insulated PVC. V-PVC insulation V-PVC sheath B-flat (flat). S-twisted type. A-tin or silver plating. F- high temperature
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