What are the conditions of use for computer cables?

I. How are the conditions of use of computer cables? Applicable to a variety of computer application systems and electrical automation engineering devices in the signal transmission and detection devices and instrumentation and other connections, with good resistance to power and strong electrical interference performance. Cable electrical insulation and high operating temperature, and has good chemical resistance.1. Conditions of use: (1), the rated voltage U0 / U for 300/500V; cable conductor long-term operating temperature: polyvinyl chloride insulation for 70 ℃, 105 ℃ two kinds of polyethylene insulation for 70 ℃, crosslinked polyethylene insulation for 90 ℃ (the type of insulation cross-linking can be divided into silane cross-linking and irradiation cross-linking). ). (2), laying the cable at an ambient temperature of not less than 0 ℃. The cable is allowed to be used for fixed laying or moving when the ambient temperature is -40～50℃ and the relative humidity is not more than 80%. (3), laying and installation of the cable zui small bending radius: no armored layer of the cable, should not be less than 6 times the outer diameter of the cable, the armored structure of the cable, should not be less than 12 times the outer diameter of the cable, there is a shielding layer of the structure of the flexible cable, should not be less than 10 times the outer diameter of the cable. 2. Use characteristics and operating laying conditions: (1) product rated voltage (U0/U): 300/500v; (2) long-term operating temperature of 70 ℃; (3) laying the ambient temperature is not less than: fixed laying temperature -40 ℃, non-fixed laying -15 ℃; (4) zui small bending radius: no armored layer should be not less than 6 times the cable's outer diameter, with armored layer of the cable should be not less than 12 times the cable's outside diameter. 12 times.

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