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ContinuousWave: Whaler Repairs/Mods
16' wiring questions
|Author||Topic: 16' wiring questions|
posted 04-22-2002 05:39 PM ET (US)
Folks - I am in the process of re-wiring my '64 Sakonnet with a fused system replacing the old naked buss bar. I will be placing a Blue Sea Systems 3AG fuse block under the console. I will feed the block straight from the battery with 10 ga Triplexx wire. Is 10 ga heavy enough? Is Triplex a bad idea? My block has the grounding hookup, so I was planning to connect the Triplex ground to this, terminating back at the battery's negative pole. Am I totally wrong here? Terminals will be adhesive-lined, heat shrink forked spades and circles of appropriate size.
posted 04-22-2002 11:37 PM ET (US)
My guess would be that TRIPLEX wire (Cf. http://www.sailnet.com/store/prodimage/160x160/anc131310.gif ) is probably intended more for 115VAC wiring.
In typical boat DC wiring only two conductors are generally used: (+) and (-).
Ground, especially on a fiberglass boat, is a somewhat arbitrary notion.
In AC wiring the ground conductor is provided as a safety device. In low voltage DC wiring a ground conductor is generally not used as part of the wiring and distribution of the DC voltage.
A wire of 10-AWG is usually rated for 30-Amp capacity, which should be very good for serving as the battery mains to your console.
In DC wiring the conduct size is typically chosen to provide a particular minimum voltage drop OVER A CERTAIN LENGTH. So while a 10-AWG conductor can carry 30-Amps, there may be situations where it would not be recommended to use that size conductor for a cable run of a particular length.
posted 04-22-2002 11:51 PM ET (US)
I agree that Duplex boat cable would be more
If it's any distance from the battery to the
I use rings for everything. Never a fork.
Blue Sea will sell you most any label you
posted 04-23-2002 07:22 AM ET (US)
Thank you for your insight, Jimh and triblet. My battery is located back near the bilge, so I will indeed toss a fuse inline there and go with duplex rather than triplex. I've been doing a lot of reading on bonding and it had me totally paranoid about grounding everything, especially the metal gas tanks, something I'd still like to do somewhow...?
Triblet: I ordered a bunch of labels for the fuse block and await their arrival. I owe the selection of this fuse block to you and your discussion of it here on the Forum. Have you grounded anything on your Montauk?
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