Installation Manual

7
5 APPENDIX 12V DC WIRE GAUGE AND TRANSMISSION
DISTANCE RELATIONSHIP SHEET
The recommended max transmission distance is under the following environments: The wire
diameter is fixed and the DC 12V power voltage loss rate is below 10%. For the device of DC
power supplying, the max allowed voltage loss rate is 10%. All the wires listed in the following
sheet are copper wire. (Copper wire resistance
)
mm
Feetm
w
0.8000 1.000 1.250 2.000
5
122.13
37.23
190.8358.16 298.1790.88
763.31
232.66
10
61.0618.61 95.4129.08 149.0845.44
381.66
116.33
15
40.71
12.41
63.61
19.39
254.44
77.55
20
30.539.31 47.7114.54 74.5422.72 190.8358.16
25
24.437.45 38.1711.63 59.6318.18 152.6646.53
30
20.356.20 31.809.69 49.6915.15 127.2238.78
35
17.455.32 27.268.31 42.6012.98 109.0433.24
40
15.274.65 23.857.27 37.2711.36 95.4129.08
45
13.574.14 21.206.46 33.1310.10 84.8128.85
50
12.213.72 19.085.82 29.829.09 76.3323.27
55
11.103.38 17.355.29 27.118.26 69.3921.15
60
10.183.10 15.904.85 24.857.57 63.6119.39
65
9.392.86 14.684.47 22.946.99 58.7217.90
70
8.722.66 13.634.15 21.306.49 54.5216.62
75
8.142.48 12.723.88 19.886.06 50.8915.51
80
7.632.33 11.933.64 18.645.68 47.7114.54
85
7.182.19 11.233.42 17.545.35 44.9013.69
90
6.782.07 10.603.23 16.565.05 42.4112.93
95
6.431.96 10.043.06 15.694.78 40.1712.25
100
6.111.86 9.542.91 14.914.54 38.1711.63