BV线 BV线
开关(A) 3根 PVC管 SC管 5根 PVC管 SC管
1 20 4mm2 20mm 15mm 6mm2 25mm 20mm
2 25 6mm2 20mm 15mm 10mm2 32mm 32mm
3 32 10mm
2
25mm 20mm 10mm
2
32mm 32mm
4 40 10mm2 25mm 20mm 16mm2 40mm 32mm
5 50 16mm2 32mm 25mm 25mm2 50mm 50mm
6 63 25mm2 40mm 32mm 35mm2 50mm 50mm
7 80 35mm2 40mm 32mm 50mm2 63mm 65mm
8 100 50mm2 50mm 40mm 70mm2 63mm 80mm
9 125 70mm2 50mm 40mm 95mm2 —— 100mm
10 140 70mm
2
50mm 40mm 120mm