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Voltage Drop
Voltage Drop Charts
For best performance and lumen output, ensure proper wire gauge is installed to compensate for voltage drop of low voltage circuits.
12V Voltage Drop & Wire Length Distance Chart
Wire 60W Gauge 4.2A
18 AWG 5 ft.
16 AWG 9 ft.
14 AWG 14 ft.
12 AWG 22 ft.
10 AWG 33 ft.
10W .83A
20W 1.7A
30W 2.5A
40W 3.3A
50W 2.1A
34 ft.
17 ft.
11 ft.
8 ft.
6 ft.
54 ft.
27 ft.
18 ft.
13 ft.
10 ft.
86 ft.
43 ft.
29 ft.
21 ft.
17 ft.
134 ft.
68 ft.
45 ft.
34 ft.
27 ft.
199 ft.
99 ft.
66 ft.
49 ft.
39 ft.
24V Voltage Drop & Wire Length Distance Chart
Wire Gauge
18 AWG
16 AWG
14 AWG
12 AWG
10 AWG
Wire 60W Gauge 4.2A
18 AWG 5 ft. 16 AWG 9 ft. 14 AWG 14 ft. 12 AWG 22 ft. 10 AWG 33 ft.
100W 4.2A
14 ft. 22 ft. 36 ft. 56 ft. 82 ft.
10W .42A
20W .83A
30W 1.3A
40W 1.7A
50W 2.1A
60W 2.5A
70W 2.9A
80W 3.3A
134 ft.
68 ft.
45 ft.
33 ft.
27 ft.
22 ft.
19 ft.
17 ft.
215 ft.
109 ft.
72 ft.
54 ft.
43 ft.
36 ft.
31 ft.
27 ft.
345 ft.
174 ft.
115 ft.
86 ft.
69 ft.
57 ft.
49 ft.
43 ft.
539 ft.
272 ft.
181 ft.
135 ft.
108 ft.
90 ft.
77 ft.
68 ft.
784 ft.
397 ft.
197 ft.
158 ft.
131 ft.
112 ft.
98 ft.
Example: 12V Voltage Drop & Wire Length Distance Chart
263 ft.
1
2
Determine load size. Let’s assume load is 55W. Round up to the nearest load.
10W .83A
20W 1.7A
30W 2.5A
40W 3.3A
50W 2.1A
34 ft.
17 ft.
11 ft.
8 ft.
6 ft.
54 ft.
27 ft.
18 ft.
13 ft.
10 ft.
Determine distance from LED Driver + Dimmer to load. Let’s assume the distance is 20 ft. Round up to the nearest distance.
86 ft.
43 ft.
29 ft.
21 ft.
17 ft.
134 ft.
68 ft.
45 ft.
34 ft.
27 ft.
199 ft.
99 ft.
66 ft.
49 ft.
39 ft.
3
It is then recommended to install 12 AWG to eliminate excess voltage drop.
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