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发表于 2016-3-31 10:54
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来自: 中国山东烟台
DNVGL-RU-SHIP-Pt4Ch8 Electrical installations 10.7.1
b) On three-phase, four-wire circuits, the cross-section of the neutral conductor shall be the same as for a
phase conductor up to 16 mm2, and at least 50% of that of a phase conductor for larger cross-sections,
though not larger than 50 mm2
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