本帖最后由 dianqipanli 于 2015-1-19 05:34 编辑

可见《民用建筑电气设计规范》
21.8
1.
综合布线电缆与电力电缆的间距应符合表21.8.1的要求：

.....................................................................................表21.8.2...............
............类别.........................与综合布线接近情况.............................................................最小净距.（mm).....................
380V电力电缆＜2kVA...与线缆平行敷设..................................................................130...........................................
...........................................有一方在接地的金属线槽或钢管中..................................70.................................................
...........................................双方都在接地的金属线槽或钢管中..................................10.................................................

380V电力电缆2-5kVA........与线缆平行敷设.............................................................300.................................................
.......................................有一方在接地的金属线槽或钢管中....................................150..................................................
..........................................双方都在接地的金属线槽或钢管中.....................................80.............................................

380V电力电缆＞5kVA-----与线缆平行敷设.............................................................600...............................................
.........................................有一方在接地的金属线槽或钢管中.....................................300...............................................
.........................................双方都在接地的金属线槽或钢管中......................................150............................................