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Wires and cables are just a general term. What are their similarities and differences?
Release Time:
Jun 02,2023
A wire is a wire used to transmit electrical energy or electrical signals, and a cable is usually an inner core composed of two or more mutually insulated wires, and the outer part is covered with an insulation and reinforcement layer to transmit electrical energy or electrical signals. wire. In layman's terms, wires are collectively referred to as wires.
We are used to the wires we see in our daily life, but most of the cables only stay at the point of "heard of, never seen". So, what is the difference between wires and cables? Let's tell you some basic common sense of wires and cables.
A wire is a wire used to transmit electrical energy or electrical signals, and a cable is usually an inner core composed of two or more mutually insulated wires, and the outer part is covered with an insulation and reinforcement layer to transmit electrical energy or electrical signals. wire. In layman's terms, wires are a general term for wires, most of which are commonly used single-conductor insulated wires. More conductors are divided into power cables, control cables, computer cables, overhead cables, communication cables, mineral fireproof cables, etc.
To understand separately can be roughly divided into:
1. The structure of wires and cables is different. Wires are generally composed of single-core or multi-strand copper wire conductors, and insulation is added to the conductor; cables are generally composed of one or several insulated wires, and the outer layer of insulation will have a sheath. According to the different types of cables, the uses are different, and the insulation materials and sheath materials used are also different according to the specified characteristics.
2. The size of wires and cables is different. Because of the simple structure, the wires are basically small wires below 10 square meters (10mm² is the cross-sectional area of the conductor), and the cables are basically thicker than 10 square meters because of the complex structure and characteristic requirements. of wires.
3. The transmission capacity of wires and wires is different. As a small wire with a simple structure, the resistance of the conductor is also limited. If it is a high-power operation, a cable must be used. The conductor of the wire is basically a copper core, and the cable is Both copper core and aluminum core can be selected. Of course, the transmission capacity of copper core conductor is definitely better than that of aluminum core conductor.
4. The softness and hardness of wires and cables are different. Wires are generally used in household, installation, fire protection, and lighting. According to the usage, choose to use single-core conductor hard wire or multi-strand conductor soft wire; the cable is responsible for the relative hardness due to its special structure. Stronger, suitable for engineering laying, hydropower, peripheral power grids, etc.
5. The rated voltage of wires and cables is different. Most of the rated voltages of wires are 300/500V and 450/750V, while the rated voltage of cables is 0.6/1KV—26/35KV, which varies from low voltage to high voltage.
All in all, wires and cables are collectively referred to, which can be commonly understood as: those with small diameters are called "wires", those with large diameters are called "cables"; those with simple structures are called "wires", and those with complex structures are called "cables". With the continuous advancement of science and technology, there are many types of "cables in wires, and wires in cables". You can choose the wires and cables that suit you according to your actual situation.
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