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12 Volt Wiring Distance and Gauge Chart

A simple chart explaining the gauge wire to use with a set amperage at a set distance.
The following chart is base on standard voltage drop of roughly 5% for one way travel for the listed distance.

Example:   10 amps traveling 172 feet would require 2 guage wire. 


 
Wire Gauge Size
Amps

14

12

10

8

6

4

2

1

0

00

000

0000

1

106

169

269

427

679

1080

1717

2166

2730

3444

4342

5475

2

53

85

134

214

340

540

859

1083

1365

1722

2171

2738

4

27

42

67

107

170

270

429

542

682

861

1086

1369

6

18

28

45

71

113

180

286

361

455

574

724

913

8

13

21

34

53

85

135

215

271

341

430

543

684

10

11

17

27

43

68

108

172

217

273

344

434

548

15

7

11

18

28

45

72

114

144

182

230

289

365

20

8

13

21

34

54

86

108

136

172

217

274

25

11

17

27

43

69

87

109

138

174

219

30

9

14

23

36

57

72

91

115

145

183

35

12

19

31

49

62

78

98

124

156

40

17

27

43

54

68

86

109

137

45

15

24

38

48

61

77

96

122

50

14

22

34

43

55

69

87

110

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