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欧洲电缆标准制定简况在过去的２０年中，欧洲电缆共同体联盟制定了两个统一文件：ＨＤ２１和ＨＤ２２。ＨＤ２１和ＨＤ２２的内容包括低压电缆和便携式家用电器普遍应用的各种软线。它们于１９７５年开始推行。ＨＤ２１囊括ＰＶＣ绝缘线和软接线；ＨＤ２２囊括对应的硅橡...
Profile of European Cable Standards Over the past two decades, the European Cable Community has developed two harmonized documents: HD21 and HD22. HD21 and HD22 include low-voltage cables and portable household appliances commonly used in a variety of cords. They started in 1975. HD21 include PVC insulated wire and soft wiring; HD22 include the corresponding silicone rubber ...