19
500-10420, Rev G
2. Using the value obtained in Step 1, DETERMINE the proper wire gauge and
length using Table 3, “ 12 VDC Wire Gauge and Length,” for a 12 VDC
system, or Table 4, “24 VDC Wire Gauge and Length,” for a 24 VDC system.
Table 3. 12 VDC Wire Gauge and Length
C
U
R
R
E
N
T
1.0A
20
Gauge
18
Gauge
16
Gauge
14
Gauge
14
Gauge
12
Gauge
10
Gauge
10
Gauge
8
Gauge
.80A
22
Gauge
18
Gauge
18
Gauge
16
Gauge
14
Gauge
12
Gauge
10
Gauge
10
Gauge
8
Gauge
.60A
22
Gauge
20
Gauge
18
Gauge
18
Gauge
16
Gauge
14
Gauge
14
Gauge
12
Gauge
10
Gauge
.40A
22
Gauge
22
Gauge
20
Gauge
18
Gauge
18
Gauge
16
Gauge
14
Gauge
14
Gauge
12
Gauge
.30A
24
Gauge
22
Gauge
22
Gauge
20
Gauge
18
Gauge
18
Gauge
16
Gauge
14
Gauge
14
Gauge
.20A
24
Gauge
22
Gauge
22
Gauge
22
Gauge
20
Gauge
18
Gauge
18
Gauge
16
Gauge
14
Gauge
12 VDC
50’
[15m]
100’
[30m]
150’
[46m]
200’
[61m]
300’
[91m]
400’
[122m]
500’
[152m]
750’
[229m]
1000’
[305m]
WIRE DISTANCE
Table 4. 24 VDC Wire Gauge and Length
C
U
R
R
R
E
N
T
1.0A
22
Gauge
20
Gauge
20
Gauge
18
Gauge
16
Gauge
14
Gauge
14
Gauge
12
Gauge
10
Gauge
.80A
22
Gauge
22
Gauge
20
Gauge
18
Gauge
18
Gauge
16
Gauge
14
Gauge
14
Gauge
12
Gauge
.60A
24
Gauge
22
Gauge
22
Gauge
20
Gauge
18
Gauge
18
Gauge
16
Gauge
14
Gauge
14
Gauge
.40A
24
Gauge
22
Gauge
22
Gauge
22
Gauge
20
Gauge
18
Gauge
18
Gauge
16
Gauge
14
Gauge
.30A
24
Gauge
24
Gauge
22
Gauge
22
Gauge
22
Gauge
20
Gauge
20
Gauge
18
Gauge
16
Gauge
.20A
24
Gauge
24
Gauge
24
Gauge
22
Gauge
22
Gauge
22
Gauge
20
Gauge
20
Gauge
18
Gauge
24 VDC
50’
[15m]
100’
[30m]
150’
[46m]
200’
[61m]
300’
[91m]
400’
[122m]
500’
[152m]
750’
[229m]
1000’
[305m]
WIRE DISTANCE