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Old 07-02-2005, 09:53 AM
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swo
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Default splicing very small guage wires?

What's recommended for splicing wires smaller than size 22? The Ancor waterproof butt connectors only go down to 18-22, but the wires coming out of my Icom M302 and Garmin 198C for NMEA connections are certainly smaller than 22. The Ancor connectors I just installed seem to be working 'good enough', but I'm afraid to give them a good tug to test. Haven't checked at Home Depot or somewhere similar for smaller butt connectors; maybe something along those lines coated with liquid electrical tape??
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Old 07-02-2005, 10:13 AM
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Default Re: splicing very small guage wires?

I purchased some butt splices from a national electronics dist. that handle 28-24awg.

They are the non-adhesive type so I slip a section of adhesive lined shrink tube over the splice, heat it up.

Good to go.
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Old 07-02-2005, 10:21 AM
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Default Re: splicing very small guage wires?

Gel-impregnated telephone wire connectors, sold at Radio Shack. Just cut the wires flush, no stripping, insert in the connectors and squeeze with regular pliers until it locks closed. The gel makes a permanent, moisture-free barrier that surrounds the wire ends. They're made for fine-gauge wire for phones, alarms, and electronics; I used them on my ICOM 402 NMEA splices.
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Old 07-02-2005, 10:38 AM
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Default Re: splicing very small guage wires?

Outstanding! Thanks guys!
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Old 07-02-2005, 12:29 PM
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Default Re: splicing very small guage wires?

I used solder in a tube at Radio Shack and then heat shrinked the entire splice. This is what I used from the led's and my Icom connection.
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Old 07-02-2005, 04:05 PM
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Default Re: splicing very small guage wires?

I would strip, twist, and solder them in a "butt splice" configuration and then insulate with the appropriate sized heat shrink tubing. (I spent much of my career as an electronic technician).

BTW: Liquid solder and such is just glue with metalic particles in it. Not something to use on electrical or electronic connections.
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Old 07-02-2005, 04:05 PM
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Default Re: splicing very small guage wires?

Auburn said it right! There is a name brand called 3M Scotch Loks. I prefer to use a waterproof junction box unless it is just two things you are interfacing (as it sounds like in your case) then I prefer scotch loks.
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Old 07-02-2005, 04:19 PM
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Default Re: splicing very small guage wires?

Quote:
yachtjim - 7/2/2005 5:05 PM

Auburn said it right! There is a name brand called 3M Scotch Loks. I prefer to use a waterproof junction box unless it is just two things you are interfacing (as it sounds like in your case) then I prefer scotch loks.
We used to use Scotch Loks by the box in my job and they are very good (and expensive) but you still need the correct size for the wires involved.
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Old 07-02-2005, 04:46 PM
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Default Re: splicing very small guage wires?

Quote:
rwidman - 7/2/2005 5:05 PM

I would strip, twist, and solder them in a "butt splice" configuration and then insulate with the appropriate sized heat shrink tubing. (I spent much of my career as an electronic technician).

BTW: Liquid solder and such is just glue with metalic particles in it. Not something to use on electrical or electronic connections.
Glue!!!!

I think we are talking about a different product. This is solder and flux in a syringe that you apply heat too; not glue. It is called Solder-Weld Catalog #: 64-029



Here is a link to the product.

http://www.radioshack.com/product.as...%5Fid=64%2D029
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Old 07-03-2005, 12:51 PM
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Default Re: splicing very small guage wires?

Don't splice them at all. Install a terminal board.
This one ha been copied a bunch.

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Old 07-03-2005, 01:12 PM
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Default RE: splicing very small guage wires?


Probably not the best - long term answer,but it's a method I have used lots of times with excellent results.

I strip the wires back, maybe three times as far as normal and then fold the bare wires together two or three times till it makes a large enough bundle to fill the butt splice tube, so that you can get a good tight crimp,and still use the good- adhesive lined-heatshrink splices.

I also use the Anchor brand - ratcheting crimper. Believe me -it is well worth the money. IMHO
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Old 07-04-2005, 11:54 AM
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Default Re: splicing very small guage wires?

I used to think that also, but not anymore. That ratchet crimper is made in parts that are shipped to Ancor and other companies that will assembly it, package it, label it, and resell it. Ancor stamps their name on it and uses blue handles, but I have seen the same crimper with green handles, red handles, and orange handles. All otherwise exactly identical and less expensive than the blue handles. Fwiw, all the handles are the same size/shape of plastic except the color.

Overall, it is one of the best crimpers on the market, and Ancor sells it at the highest MSRP. Btw, there is a smorgasbord of optional dies for that crimper. Ancor no longer sells the optional single crimp die but you can get it elsewhere. It will crimp any ever thing that will fit in the jaws.

The best price I have found for that crimper is at Del City Wire. Del City is the sister company of Ancor, same parent corp owns both. $28 at Del City, $80 from Ancor, same crimper.

http://www.delcity.net/delcity/servl...=665741&page=1

Somewhere around here I have a web link for the same crimper with hi-quality, ergonomic padded rubber grips for about $40. I think it was sold under the name of Orbit(?) tools.
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Old 07-04-2005, 05:59 PM
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Default Re: splicing very small guage wires?


Good info -eyeball - thank you.

I don't remember where I bought mine any more -but I've had it a long time. I do remember paying about $36.00 back then. I think I bought it on sale at an old Boat US store in southern New Hampshire. My only complaint is-the plastic handle covers keep coming loose. I did buy the other crimping dies. The nice thing about mine is that you can adjust the depth of the crimp.
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Old 07-05-2005, 01:57 AM
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Default RE: splicing very small guage wires?

Quote:
swo - 7/2/2005 9:53 AM

What's recommended for splicing wires smaller than size 22? The Ancor waterproof butt connectors only go down to 18-22, but the wires coming out of my Icom M302 and Garmin 198C for NMEA connections are certainly smaller than 22. The Ancor connectors I just installed seem to be working 'good enough', but I'm afraid to give them a good tug to test. Haven't checked at Home Depot or somewhere similar for smaller butt connectors; maybe something along those lines coated with liquid electrical tape??
If you fold the wire over before crimping (to give it a bit more bulk) you can get a very strong hold in the red butt connectors. FWIW, I have given them a good tug -- indeed, I have pulled until they come apart - or break. The two events are very very close so the connection is pretty strong done this way.

Regards,
TED
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Old 07-05-2005, 02:23 AM
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Default Re: splicing very small guage wires?

Ted, the way you crimp the connectors they’ll probably be in service for more years than the boat. Fwiw, the standard crimps (and all other mechanical and soldered connections) are held to is 50-lbs of pull. When the appropriate connector is used with a proper crimp, you can hang a 50-lbs weight from it and it will hold fast, conducting the appropriate amps for the wire gauge.

Same is true for wall plugs in your home. Used to be we would reach down and grab the plug to disconnect from the wall. Not anymore. With modern plugs you can just grab the cord and yank…unless for some reason it would take more than 50-lbs of pull to dislodge the plug.
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Old 07-06-2005, 04:23 AM
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Default Re: splicing very small guage wires?

You can buy an excellent ratcheting wire crimper for around $30 at auto parts stores -- I bought mine at Alliance in Gaithersburg, MD.
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Old 07-06-2005, 06:32 AM
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Default Re: splicing very small guage wires?

Quote:
Same is true for wall plugs in your home. Used to be we would reach down and grab the plug to disconnect from the wall. Not anymore. With modern plugs you can just grab the cord and yank…
A few times, anyway!
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