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  #21  
Old 08-03-2012
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Re: Yellow ground safety wire

I tend towards Dave's explaination of wire vs cable. But, that comes from years of wiring electical controls on machinery.

Multistrand wire is still a single conductor. All of the strands in the wire are not insulated from each other, therefore acting as a single conductor.

Donna, in the end you can follow ABYC standards and be just fine for your boat wiring projects. Keep in mind if you are rewiring the manufacturer or PO may not have followed any standard or one of thier own design. As mentioned earlier in this thread label everything. If you are not sure what a wire does, ring it out (use your multimeter to test for continuity; this usually has an audible tone when it is part of the same circut).
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  #22  
Old 08-03-2012
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Re: Yellow ground safety wire

Thanks nickmerc.

I like to have a reference I can reach for when I'm not online and also something I can pass on to my students. I feel like I'm moving onto the next step on the ladder and I'm starting to know just enough to ask semi-coherent questions.
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  #23  
Old 08-03-2012
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Re: Yellow ground safety wire

"Is this like the age-old line vs. rope argument?"
You've probably hit the nail on the head with that one.

There are all sorts of standards. We know a North Wind blows from the north, but what's a "northerly" wind? One that is blowing TO or FROM the north? Well, that depends on who you ask. Hell, you can't even get boat electricians to agree on whether fittings on a boat should be bonded, or connected to a ground bus, or simply isolated. Depends on whether their goal is to prevent galvanic problems, fool lightning, or sell new parts apparently.

The bottom line is often "what's in stock?" and "what can I afford?" and if "proper" wiring schemes call for ten colors of wire but your budget says you only need 5 spools...compromises get made. As a recreational boater, you don't have to comply with the same specs as commercial builders. And if you use plenty of wire tags and leave schematics, even pencil drawn ones, the colors aren't quite as critical.
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Old 08-03-2012
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Re: Yellow ground safety wire

Quote:
Originally Posted by DRFerron View Post
I downloaded the ABYC electrical standards. But it appears that the ABYC standards differ from the rest of the US standards? Am I correct? And, it appears that the two of you are using the same name for two different things (i.e., wire). Confusing. Is this like the age-old line vs. rope argument?
The colloquial "cable" is a British leftover rarely used in North America to describe "wire". Cable is generally manufactured by combining twisted pairs of metal wire, IE winch cable, battery cable etc. Wire usually is either a single wire ore twisted combination of wire. Big or small is not the issue as there exists 1" wire and 1/32" cable. Over the years the word basically means the same thing; EG loggers in the PNW still say they're going to string a haulback wire to the backside of the show, when in fact it's quite a large cable.

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Is there a single resource that you can recommend that I add to my boating library?
You can purchase the manual for $65, but is just more ballast. Here's the basics.
ABYC Wiring Standards
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Re: Yellow ground safety wire

DR-
For extra credit, explain the difference between a hero, submarine, grinder, hoagie, and "footlong". And which of those would never be sold with a soda, pop, or tonic.
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Old 08-03-2012
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Re: Yellow ground safety wire

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DR-
For extra credit, explain the difference between a hero, submarine, grinder, hoagie, and "footlong". And which of those would never be sold with a soda, pop, or tonic.
I hear ya.

I teach an auxiliary classroom course. Very basic stuff. But there is usually one or two who have done their research and know what type of sailing they eventually want to do so when they read our book, they have more advanced questions. If I can't answer it myself to the depth they need, I like to point them to a source. I keep a notebook with the info I gather that I can refer to when the time comes.

Plus, I'm starting to think about the Next Boat so this is all interesting to me regardless.
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Old 08-03-2012
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Re: Yellow ground safety wire

Quote:
Originally Posted by DRFerron View Post
can you help me out here?
This is an issue much more fundamental than you are likely to find in the ABYC standards, even in the glossary.

Vocabulary is important.

Certainly there are cultural issues (like napkins, nappies, and serviettes). This isn't one of those.

There are also considerations of slang that aren't so easily categorized, like calling really big wire for batteries "cable" that are a result of misunderstanding. One can spend a lot of time talking about whether 'presently' and 'currently' are synonyms or not.

In engineering, (power, electrical, power, et al) the definition of "cable" is very clear and it has nothing to do with wire size. Similarly in mechanical engineering cable is well defined. I learned it in school and it was clear. It has been clear in contractual language since. Do people get sloppy and use words inappropriately? Sure. That still doesn't make it right.
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Re: Yellow ground safety wire

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Originally Posted by SVAuspicious View Post
This is an issue much more fundamental than you are likely to find in the ABYC standards, even in the glossary.

Vocabulary is important.

...
Precisely why I'd like some kind of standard reference. I realize the ABYC standard is for boats.
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Re: Yellow ground safety wire

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