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Thread: wire size
02-16-2011, 07:53 PM #1
What is the recomended wire sizing for
1) Tower 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?
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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
02-16-2011, 09:21 PM #3Malo <--- Means--Evil or Mean One. This explains a lot.
2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
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.