??? 电线,橡胶线试验项目、方法、频次及标准要求
  • ????o?,??????o???a??1????????1?3??????????????????|???
  • ????o?,??????o???a??1????????1?3??????????????????|???
    1 ????'
      ??????????????o????????????450/750V??????????????1????????????????????o???????o???????????????450/750V????????????????????????????????????????????a??1????????1?3??????????????????|??????
    ??????????????o??????????????????o?????????????227IEC52RVV???227IEC53???RVV??????BV???BVR???BVV???BVVB???245IEC53???YZ??????245IEC57???YZW??????245IEC66???YCW??????YQ???YQW???YZ???YZW???YC???YCW???????o???????????????o???????????????a?????????????

    2 ???????????
      ??????????????????????????????????????????????????-???????????????o????????????????????????????????o?????????????o???????????o??????????????????????????????????????????????????????????1?o??????????????????????????????????????????????
    GB5013.1~7-1997  ???????????450/750V???????????????????????????
    GB5023.1~7-1997  ???????????450/750V??????????????1????????????????
    GB/T3956-1997    ???????????????
    JB8734.1~5-1998   ???????????450/750V??????????????1????????????????????o???????o?
    JB8735.1~3-1998   ???????????450/750V????????????????????????o????????????
    GB/T3048.1???16-94 ????o????????????????a???1?3?
    GB/T2951.1???10-97 ????????????????????????????????a???1?3?

    3 ???????????????a??1????????1?3??????????????????|???
    3.1 ???????o?o|?????????o?
    3.1.1 ?????245IEC53???YZ???
    3.1.2 ??????????????300/500V
    3.1.3 ?????????????2???3???4???5????????????o???|???GB/T3956-1997???5???????????????
    |??????????o????????????????????????
    3.1.4 ??????????????20a????????a????????o?????1??????
         ?????????????????o????GB/T5013.2-97??-2.1????????????1?3?????????
         ??????????????20a??????o???|????1??-???????|??????
    3.1.5 ????????a???????a????????o?????1??????
    3.1.5.1 ???????o????????????????????o|????????????a????
          ???????o???????????a??o????GB/T5013.2-97??-2.3????????????1?3??????
  • [??3?-]  [?????] Time:2013-2-19