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ContinuousWave: Whaler Repairs/Mods
Montauk 30amp breaker
|Author||Topic: Montauk 30amp breaker|
posted 03-15-2002 12:21 PM ET (US)
I want to start rewiring my 85' Montauk console electric this weekend. Everything works well enough, I'm just not crazy about the way the previous owner executed it.
I've read other postings, all very helpful re: color and gauge of wire etc.
My question is, what's the proper/intended use of the 30Amp breaker on the console?
|Tom W Clark||
posted 03-18-2002 01:54 PM ET (US)
The purpose of the breaker is to protect the main accessory power lead. On later models the breaker was placed in the stern of the boat in order to protect more of the wiring run from the battery to the console. If there is a short circuit downstream of the breaker, it will trip and prevent the wire (or something else) from melting.
posted 03-18-2002 03:55 PM ET (US)
Tom--won't the breaker actually trip whenver current exceeds 30A, regardless of whether the fault is "upstream" or "downstream" of the breaker? The tripping will only protect "downstream" wiring and components, hence it is usually connected as close to the power source as practical.
posted 03-18-2002 05:11 PM ET (US)
Thanks for the reply.
My Batteries are in the console, I thought I'd come off of the larger of the two directly to the 30amp breaker, and wiring that to a bus fused distribution panel for each accessory.
The previous owner installed such a fuse panel, but installed it directy over the aft console hatch. I'm 6' 205lbs, I can't get near this thing to look at the fuses w/o removing the seat and fuel tank, and even then, I think I would have a hard time getting my head through the opening! Long story short the fuse panel will go on the left wall just inside the port console hatch.
Unless anyone has a better idea?
posted 03-18-2002 07:27 PM ET (US)
padrefigure, if the positive lead shorts
between the battery and the breaker, there
will be no current flowing through the
breaker and it won't trip. Take a look at
how your house is wired. There's a BIG
breaker or fuse (say 150A) right where power
comes in. Then big fat wires (say 4 ga) to
the regular breaker panels which have 15A or
20A breakers and then 14 ga (15A) or 12 ga
So the main breaker (30A, or 20A in my 97ish)
Stelario: I have my fuse panel in the same
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