The hottest spot check of four batches of overhead

2022-10-12
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On July 20, the smooth grease officer of the bearing of the Shanghai Municipal Bureau of quality and Technical Supervision announced the results of the 2018 quality supervision and spot check of Shanghai overhead insulated cable products. Four batches of products were selected and tested to be qualified

according to gb/t 14049 "23cr10kv overhead insulated cables with rated voltage" and gb/t 12527 "overhead insulated cables with rated voltage of 1kV and below", the following items of the product were inspected: average thickness of insulation, thickness of the thinnest part of insulation, DC resistance of conductor, insulation resistance, voltage test, 4H voltage test, tensile strength before insulation aging, elongation at break before insulation aging Change rate of tensile strength before and after insulation aging, change rate of elongation at break before and after insulation aging, thermal extension of XLPE insulation, shrinkage of XLPE insulation, and insulation adhesion

2018 Shanghai overhead insulated cable product quality supervision and spot check products that meet the relevant standards

serial number product name (nominal) trademark (nominal) specification and model production date/batch number (nominal) manufacturer (except for the problem of fatal safety hazards in copper aluminum transition connectors and non conductor aluminum alloy connectors), purchase place or channel 1 copper core XLPE insulated overhead cable Xinxin jkyj-1 1 1 × 240/January 23, 2018 Shanghai Shenghua Cable Factory Co., Ltd. Shanghai Shenghua Cable Factory Co., Ltd. 21kv XLPE insulated overhead insulated cable Nanding jklyj 1kV 1 × 240mm~2 · 2018.3.2 · 2018.3.2 Shanghai Nantah Group Co., Ltd. Shanghai Nantah Group Co., Ltd. 310kv overhead insulated cable Shi Mai jkyj 10kV 1 × 95b/Shanghai Huapu Cable Co., Ltd. Shanghai Huapu Cable Co., Ltd. 4 crosslinking with the improvement of the working environment, polyethylene insulated overhead insulated cable Xinye jklyj 1kV 1 × 120/on May 13, 2017, Shanghai Xinyi power line equipment Co., Ltd. Shanghai Xinyi power line equipment Co., Ltd. ranked in no order

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