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Whats the maximum power current load?

US National Electrical Code
maximum Amperage
AWG Wire Size Two Current Carrying Conductors Three Current Carrying Conductors
  Ampere Ampere
18 7 10
16 10 13
14 15 18
12 20 25
10 25 30
8 35 40
6 45 55
4 60 70
2 80 95
Amperage for Power Extension Cords
(always uncoil the cord completely under oreration)
14 / 3 AWG Cable
Length Amperage
50′ 15 A
100′ 13 A
150′ 8 A
200′ 6 A
250′ 5 A
300′ 4 A
12 / 3 AWG Cable
Length Amperage
50′ 15 A
100′ 15 A
150′ 13 A
200′ 10 A
250′ 7 A
300′ 6 A
10 / 3 AWG Cable
Length Amperage
50′ 15 A
100′ 15 A
150′ 15 A
200′ 15 A
250′ 13 A
300′ 10 A
AWG / Amperage and Connectors
AWG max. Amperage Connector
0000 (4/0) 300 A CamLock
000 (3/0) 260 A CamLock
00 (2/0) 225 A CamLock
0 (1/0) 195 A CamLock
2 125 A C-Way (50′)
4 90 A C-Way (50′)
6 70 A Joy&Cabtire (25′&50′)
8 50 A Joy&Cabtire (25′&50′)
10 30 A Joy&Cabtire (25′&50′)
12 20 A A.C. Wire (25′&50′)
14 15 A A.C. Wire (25′&50′)
16 10 A A.C. Wire

Suggestions for lo-voltage wiring in cars:

Square max. Current
0.5 mm² 10.6 A
0.75 mm² 7.8 A
1 mm² 13.5 A
1.5 mm² 17 A
2.5 mm² 22.7 A
4 mm² 29.8 A
6 mm² 38.3 A

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