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Thread: wire size
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02-16-2011, 07:53 PM #1
wire size
What is the recomended wire sizing for
1) Tower speakers
-2 speakers?
-4 speakers?
2) 200-400 watts amp--power and ground gauge with fuse size
3) 500-1000 watts amp " "
4) over 1000 watts amp " "
5) battery cable size when adding a xtra battery. Short run of 2 feet
6) tower lights-figure 4 55 watt lights
any thing else?
ThanksHey, Its Moomba time
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02-16-2011, 08:43 PM #2
I'd start here: https://forum.moomba.com/showthread.php?t=13273
There are also a couple other threads started around that time that may be useful.
To keep it simple we ran 12 awg to every speaker, bought a 100ft spool of 4 conductor (4 wires, 1 run). Makes it easy.
We used 2/0 for any battery wiring but 1/0 would be fine.
We used 4 awg from distribution to amps.2016 Moomba Mojo
2006 Supra 24SSV - Traded
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02-16-2011, 09:21 PM #3
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02-16-2011, 10:09 PM #4
DC halogen lamps are very different from the transient nature of audio. Lighting specs are especially hard to compare from brand to brand. But if you have four true 5 amp lights then you need no less than 4-conductors of 14-gauge for separate front and rear circuits or 2- conductors of 12-gauge for a single circuit. Resistance will dim the lights and create heat in the wire and particularly in the connections so we solder everything. Four lamps are too much for a 15 amp marine switch. Two switches are fine. Relays are rated for intermittent use so divide their rated capacity by a third for use with DC. Skip the helm buss if you are drawing as much as 20 amps and go directly to the battery via 10 gauge minimum.
David
Earmark Marine