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solder wire joint

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Dusty MI
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Joined: 17 Dec 2000
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Location: Lansing MI. area

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PostPosted: Fri Jan 18, 2019 3:30 pm    Post subject: solder wire joint Reply to specific post Reply with quote

When did the practice of soldering wire joints end?

Dusty
 
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Janicholson
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Joined: 30 Jan 2004
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Location: St. Cloud, MN

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PostPosted: Fri Jan 18, 2019 3:50 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote

Soldering has not ended. I solder. What circumstance are you referring to? Jim
 
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Tom from Buckeye Lake
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Joined: 08 May 2007
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PostPosted: Fri Jan 18, 2019 4:47 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote

I solder and shrink wrap whenever
possible, especially Marine
applications.
 
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M-MAN
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PostPosted: Fri Jan 18, 2019 4:51 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote

I still do.
 
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JGayman
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PostPosted: Fri Jan 18, 2019 5:21 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote

It didn't. Folks have just gotten too lazy to bother and the younger guys don't know how to solder.
 
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jeffcat
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PostPosted: Fri Jan 18, 2019 6:55 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote

A lot of problems I have seen is people have no idea how to solder anymore.
They take two pieces of stranded wire, lay them together, and take the iron and
the flux soilder and heat the begabbers out of everything. Called cold solder
joints or "lapped" joints. If you want to see some pretty nice soldering watch
this video. Guy does a fairly nice instruction job. Only thing he needs a
better solder iron cause his is pooping out. I even learned a new trick. Have
used lineman joints for years and then double layer with shrink tube. Never
ever had a failure.
How to solder joints.

 
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MarkB_MI
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PostPosted: Fri Jan 18, 2019 6:56 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote

It sort of depends on the application. Soldered splices in house wiring went out of fashion many years ago, for the simple reason that wire nuts are fast and reliable. The houses where I've found solder and tape connections were originally wired in the twenties.

For automotive and aircraft applications, I think solder fell out of favor in WWII. Small-gauge stranded conductors tend to break under vibration if they're terminated with a soldered connection.

In electronics, soldered connections are still commonly used, particularly for attaching wires, connectors and components to printed circuit boards. Note that these are seldom soldered by hand; instead the entire circuit board is soldered using a "wave" soldering machine, where PC boards are passed over a pool of molten solder.
 
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David G
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PostPosted: Fri Jan 18, 2019 6:58 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote

Most all commercial and industrial is crimp now, it it needs sealed, there are silicone coverings if sealing is needed.
 
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Stephen Newell
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PostPosted: Fri Jan 18, 2019 7:15 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote

I still solder wires if it's something I really want to depend on.
 
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Ronnie Budd
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PostPosted: Fri Jan 18, 2019 8:42 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote


I still solder and use heat shrink tubing over the finished joint. I also taught my son the proper way to solder. I learned the proper method in the Army a long time ago, when I worked on communications equipment.
 
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PJH
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PostPosted: Fri Jan 18, 2019 10:47 pm    Post subject: Re: solder wire joint Reply to specific post Reply with quote

Not sure what application you're talking about. In the early 70's, a guy I worked with built a new house. He hired an old electrician to wire it, and that guy used a solder pot and a "dipper" for lack of the proper name, to solder the junction box connections. It was nice to see how the old guys used to do things, but I see no advantage over using wire nuts.
 
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ASEguy
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PostPosted: Sat Jan 19, 2019 4:20 am    Post subject: Re: solder wire joint Reply to specific post Reply with quote

I agree. I teach my students how to solder and shrink wrap on automotive applications.
 
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Geo-TH,In
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Joined: 05 Aug 2009
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Location: terre haute

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PostPosted: Sat Jan 19, 2019 5:10 am    Post subject: Re: solder wire joint Reply to specific post Reply with quote

I know someone who cuts extensions cords with hedge trimmer.
Usually the cord gets cut close to the end where it plugs into
the trimmer, go figure.

So I strip back about 5 inches of the outer protection on both
ends. Then I stagger the solder joints incase the electrical
tape fails there is no way they can short out. I use tape so I
can also put back some of the outer protection of the cord.

The only time my repair fails is when she uses the hedge
trimmer. Cord get shorter each time.
 
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Oliver 500 Wa
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Joined: 17 Jul 2017
Posts: 592
Location: Vancouver, Washington

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PostPosted: Sat Jan 19, 2019 8:09 am    Post subject: Re: solder wire joint Reply to specific post Reply with quote

CVPost-MarkB_MI wrote:
.....For automotive and aircraft applications, I think solder fell out of favor in WWII. Small-gauge stranded conductors tend to break under vibration if they're terminated with a soldered connection.


For aircraft, soldering is still used. I did the annual training/testing/re-certification at the company I retired from ~5 years ago. We made lots of wire harnesses for sub-assemblies on both military and commercial aircraft.
 
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rustred
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PostPosted: Sat Jan 19, 2019 10:44 am    Post subject: Re: solder wire joint Reply to specific post Reply with quote

didn't know it had ended. i did those same soldering samples in grade ten electronic's class in 1973.
 
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