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[国外标准] BS EN 50288-5-2:2013 Multi-element metallic cables used in analogue and digital communication and control Part 5-2: Sectional specification for screened cables characterized up to 250 MHz — Work area and patch cord cables

P:2019-02-11 10:39:14

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BS EN 50288-5-2:2013 Multi-element metallic cables used in analogue and digital communication and control Part 5-2: Sectional specification for screened cables characterized up to 250 MHz — Work area and patch cord cables.pdf

Triplex Cable - 三芯绞电缆。由三条单芯电缆绞合而成,通常其中一条为裸线作为中性线,其余两条为绝缘线(相线),绞合时将相线绞绕于中性线而成。此种电缆无共同之外被或其他绑扎材料,故称为「三芯绞」。 (0) 投诉

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