APPENDIX 97
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Conductors Sized (AWG) for 10% Voltage Drop Use 10% voltage drop for any “non-critical” applications: windlass, cabin lights, etc.... Wire & Cable Technical Data
10% Voltage Drop at 12 Volts
Current (Amps)
Length
5 10 15 20 25 30 40 50 60 70 80 90 100 18 18 18 16 16 14 14 12 12 10 10 10 10
10' 15' 20' 25' 30' 40' 50' 60' 70' 80' 90'
3 m 5 m 6 m 8 m 9 m
181816141412121010 8
8 8 6 6 4 4 2 2 2 1
8 6 6 6 4 2 2 2 1
8 6 6 4 4 2 2 1 1
1816141412121010 8
8 6 6 6 4 2 2 2 2 1
18161412121010 8
8 6 6 4 4 2 2 2 2 2 1
181412121010 8
8 6 6 4 4 4 2 2 2 2 2 1
12 m 15 m 18 m 21 m 24 m 27 m
1614121010 8
8 6 6 6 4 4 4 2 2 2 2 2 2 2
16 12 10 10 8
8 6 6 6 6 4 4 4 4 2 2 2 2
14 12 10 8
8 6 6 6 6 6 4 4 4 4 4 2
14 10 8 14 10 8 12 10 8 12 10 8
8 8 6 6 6 6 6 6 4 4 4
1 1/0
100' 30 m 110' 33 m 120' 36 m 130' 40 m 140' 43 m 150' 46 m 160' 49 m 170' 52 m
1 1/0 1/0
12 8 12 8 12 8 10 8 10 8 10 8 10 6
8 6 6 6 6 6 6
1 1/0 1/0 1/0 1 1/0 1/0 2/0
1 1/0 1/0 2/0 2/0 1 1/0 2/0 2/0 2/0
1 1/0 1/0 2/0 2/0 3/0 1 1/0 2/0 2/0 3/0 3/0 1 1/0 2/0 2/0 3/0 3/0
10% Voltage Drop at 24 Volts
Current (Amps)
Length
5 10 15 20 25 30 40 50 60 70 80 90 100
10' 3m 18 18 18 18 18 18 16 16 14 14 14 12 12 15' 5m 18 18 18 18 16 16 14 14 12 12 12 10 10 20' 6m 18 18 18 16 16 14 14 12 12 10 10 10 10 25' 8m18181616141412121010108 8 30' 9m1818161414121210108 8 8 8 40' 12m18161414121210108 8 8 6 6 50' 15m181614121210108 8 6 6 6 6 60' 18m1814121210108 8 6 6 6 6 4 70' 21m16141210108 8 6 6 6 6 4 4 80' 24m16141210108 8 6 6 6 4 4 4 90' 27m161210108 8 6 6 6 4 4 4 2 100' 30m161210108 8 6 6 4 4 4 2 2 110' 33m1412108886644222 120' 36m1412108866442222 130' 40m1412108866442222 140' 43m141088666422221 150' 46m141088664422221 160' 49m141088664422211 170' 52m121086664222211 10% Voltage Drop at 32 Volts Current (Amps) Length 5 10 15 20 25 30 40 50 60 70 80 90 100 10' 3m 18 18 18 18 18 18 18 16 16 14 14 14 14 15' 5m 18 18 18 18 18 18 16 14 14 14 12 12 12 20' 6m 18 18 18 18 16 16 14 14 12 12 12 10 10 25' 8m 18 18 18 16 16 14 14 12 12 10 10 10 10 30' 9m1818181614141214101010108 40' 12m1818161414121210108 8 8 8 50' 15m18161414121210108 8 8 6 6 60' 18m181614121210108 8 8 6 6 6 70' 21m1814141210108 8 8 6 6 6 6 80' 24m1814121210108 8 6 6 6 6 4 90' 27m1814121010108 6 6 6 6 4 4 100' 30m16141210108 8 6 6 6 4 4 4 110' 33m16141210108 8 6 6 6 4 4 4 120' 36m161210108 8 6 6 6 4 4 4 2 130' 40m161210108 8 6 6 6 4 4 2 2 140' 43m1412108886644222 150' 46m1412108866644222 160' 49m1412108866442222 170' 52m1412108866442222
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