ASTM D2802电线及电缆用耐臭氧乙烯烃聚合物绝缘材料的标准规范
日期:2012-02-10 11:18
V phase-to-phase at the 100 % insulation level and up to 25 000 V at the 133 % insulation level as listed in Table 1D, Conductor Sizes, Insulation Thicknesses, Test Voltages, and Corona Extinction Levels for Ethylene-Propylene Rubber Insulation, of Test Methods D470. Single-conductor cables shall have a supplementary covering over the insulation, and multiple-conductor cables shall have an overall covering.
1.3 Whenever two sets of values are presented, in different units, the values in the fir
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