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Author	Topic:   Wire Size for Navigation Lamp
Binkster	posted 05-01-2013 10:15 AM ET (US)         Since I'm installing a new rubrail on my 15 -footer, I need to run new wiring. What size wires should I use? rich
jimh	posted 05-01-2013 11:11 AM ET (US)             The minimum wire size to use on a boat is 16-AWG per federal regulations. A conductor of 16-AWG can carry 2-Amperes for 30-feet and have less than 3-percent voltage drop in a 12-Volt circuit. You can compute wire sizes for a particular voltage, voltage drop percentage, length, and current with the calculator at http://www.marinco.com/files/applets/wirecalculator.html
jimh	posted 05-01-2013 11:14 AM ET (US)             MARINCO has also pre-computed wire sizes for 3-percent voltage drop at 12-Volts in a nice table. See http://www.marinco.com/page/three-percent-voltage
Binkster	posted 05-01-2013 03:37 PM ET (US)             Thanks jimh rich

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