发布时间:2025-02-01 02:54:30
导线截面积s=I/a。I表示电流安,a表示每平方安全承载电流安。铜线a取每平方8安,铝线4安。比如100安的电流,铜线s=100÷8=12.5平方,铝线s=100÷4=25平方。
绵阳装修公司绵阳ktv装修绵阳ktv装修设计绵阳时尚ktv装修
2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30新房子装修所有电器与照明是4000w火分7路请问配电箱应该买什么漏电和空气开关多大的谢谢
2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30 2025-02-01 02:54:30