What are the principles for selecting wires and cables? Because wires and cables come in many varieties and specifications, and their performance varies, we should fully understand the design requirements and consider environmental, installation, maintenance, and reliability requirements. Different products and applications have different operating conditions, and the choice of wires also varies. Ambient temperature, wire cross-sectional area, and core structure are important factors.
Generally, wire and cable selection can be based on the following considerations:
1. For applications requiring mechanical tension, pressure, and long-span creep resistance, reinforced cables, such as armored cables using copper wire or steel tape, can be selected.
2. For applications requiring moisture and water resistance, cables with radial and longitudinal waterproofing, such as aluminum-plastic sheathed or metal-sheathed cables, can be selected.
3. For applications operating in high temperatures, high-temperature wires, such as the ZR and NH series, should be selected. For applications requiring strong anti-interference capabilities, high-temperature, shielded, mineral-insulated, fire-resistant cables, such as BTTZ, BTLY, NG-A, and Y Fire-resistant cables such as the TW and BBTRZ series are available.
4. When special operating environments require protection against termites, rodents, and electrochemical corrosion, specialized termite and rodent-resistant cables can be selected.
5. When both electrical and optical signals are transmitted simultaneously, opt for optoelectronic composite cables.
6. When salt spray resistance, light aging resistance, flexibility, and pliability are required, rubber-sheathed cables can be selected.
The above are just some simple suggestions. Choosing the right cable depends not only on the reputation of the cable manufacturer but also on whether the cable's characteristics are suitable for the project. Cost is not always necessary, and financial considerations should also be taken into account.
