6F8C0845
37
3.5 Network Power/Grounding
3
• Thin cable trunk line: 3 A maximum
Figure 3-10 Trunk Line (Thin Cable) Current
• Drop line: 0.75 to 3.0 A     Formula: I = 4.57/L (however, I<3 A)
I: Maximum current for drop line (A)
L: Drop line length (0 to 6 m)
Cable length  0m  10m  20m  30m  40m  50m  60m  70m  80m  90m 100m
Maximum current 
(A)
3.00 3.00 3.00 2.06 1.57 1.26 1.06 0.91 0.80 0.71 0.64
細ケーブル最大電流
0.00
0.50
1.00
1.50
2.00
2.50
3.00
0m
10m
20m
30m
40m
50m
60m
70m
80m
90m
100m
ケーブル長
電流値(A)
 
Maximum current for thick 
Cable lengthcable