高電圧ケーブルは通常、10kV を超える電圧を伝送する送電線を指します。. GB/Tによると 2900.50-2008, 意味 2.1, 高電圧…
When the connector of the low-voltage cables have obvious damage, ひび割れ, ひび割れ, と錆. So it means that the…
Many people know about low-voltage cables and high-voltage cables, but very few people know about medium-voltage cables. The voltage range…