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post #25 of Old 04-29-2010
eherlihy
Learning the HARD way...
 
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Join Date: Jan 2007
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Sorry guys,

Maine_Sail and sailingdog are right. That'll teach me to use the handy (lazy) tables.

There is a better tool that I have used to calculate the appropriate wire size. It is a program called "wiresizer.exe" - from Alden Trull Yacht Electrical Design. If you are into this kind of thing, here is a link.

After running it, the appropriate wire to power this 0.8A light would be AWG 16 which yields a 2.778% (or 0.333 volt) voltage drop.

So the long and short of it; the 14AWG is fine, and slight overkill!

(Can someone lend me a towel? I need to wipe off some egg....)


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USCG Licensed OUPV Captain, ASA 101/103/104/105/106/118 Instructor - Also certified in Marine Electrical Systems


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Last edited by eherlihy; 04-29-2010 at 08:29 AM. Reason: corrected Maine_Sail from MaineSail
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