Tech Tips - Fusion POWERPLANT PP–SW10E Manual

TECH TIPS

POWER CABLE CALCULATOR
TOTAL AMPERAGE
0 – 20
20 – 35
35 – 50
50 – 65
65 – 85
85 – 105
105 – 125
125 – 150
The above chart shows cable gauges to be used, if no less than a 0.5 volt drop is acceptable. If aluminium
wire or tinned wired is used, the gauges should be of an even larger size to compensate. Cable gauge size
calculation takes into account terminal connection resistance.
OHMS LAW SIMPLIFIED
0-4 FT 4-7 FT 7-10 FT
14 12 12
12 10 8
10 8 8
8 8 6
6 6 4
6 6 4
4 4 4
2 2 2
IR
W
I
WR
E
E
R
W
E
W/R
10 -13 FT 13-16 FT
10 10
8 6
6 4
4 4
4 2
2 2
2 0
0 0
E
I
2
E
W
R
I W
2
I R
EI
16-19 FT 19-22 FT 22-28 FT
8 8
6 6
4 4
4 4
2 2
2 2
0 0
0 0
W
2
I
2
E
R
8
4
4
2
0
0
0
0
21 21 21