BS EN 50397-2:2022 額定電壓高于交流 1kV 且不超過交流 36kV 的架空線路用被覆導線及相關(guān)附件 用于包覆導體的配件 測試和驗收標準
Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV a.c. and not exceeding 36 kV a.c.. Accessories for covered conductors. Tests and acceptance criteria