Note! Failure to use an adequate size may result in a fire. Always secure electric wires with fuses.
Note! Wire size based on 3% (0.36 V) voltage drop in a 12 Volt circuit. Always oversize wires if voltage drop is critical.
print 12V Cable Length Diagram
The maximum current in a 12 Vgauge #6 (13.3 mm2) cable with length 15 m is approximately 15 amps according the diagram above.
The maximum current in a gauge #10(5.26 mm2) cable with length 15 m is approximately 5 amps.
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