ASTM D2656额定电压为2001到35000V的电线和电缆用交联聚乙烯绝缘材料的标准规范
日期:2012-02-10 11:14
ocations at conductor temperatures not exceeding 90C for continuous operation, 130C for emergency overload conditions, and 250C for short-circuit conditions. It is considered suitable for all sizes and voltage classifications of single- and multiple-conductor power cables at voltage ratings of 2001 to 35000 V phase-to-phase at the 100 % insulation level and at voltage ratings of 2001 to 25000 V at the 133 % insulation level as listed in Table 1C of Test Methods D 470.
1.3 Materials covered by th
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