Moderated Discussion Areas
  ContinuousWave: Small Boat Electrical
  New Heat Shrink Connectors

Post New Topic  Post Reply
search | FAQ | profile | register | author help

Author Topic:   New Heat Shrink Connectors
glen e posted 04-24-2006 06:32 PM ET (US)   Profile for glen e   Send Email to glen e  
If you have been reading here about heat shrink this, and connector that, here is your solution. After trying many different units at Home Depot and West Marine, DUMP YOUR WHOLE ELCTRICAL DRAWER.

This is the best and least expensive fool proof way to go. Thanks to Elusive (on THT) for pointing me here: It is an electrical paradise. Do not ask questions, just order these butt connectors that have heat shrink AND SOLDER in them for a perfect connection everytime. Using a crimper that is ratchet style and won't let go until you press enuf (watch your fingers!)
981005 - 18-20 ga butt connectors at .53 ea
982005 - 14-16 ga butt connectors at .55 ea
990160 - crimper at 34.00 ea

BTW, I think I heard Delcity is owned by Ancor.

st posted 04-24-2006 08:34 PM ET (US)     Profile for st  Send Email to st     
[Reports a problem in viewing the DelCity website.]

How do you use the connectors? Do you solder it first, then crimp, then followed by heat shrink?
Here's the link to item (981005):


Riptide23WA posted 04-24-2006 10:00 PM ET (US)     Profile for Riptide23WA  Send Email to Riptide23WA     
Going back to my A-school days in the Navy, I just don't see how you can get a good solder joint with these. The items being soldered have to be heated to point where the solder will flow, and if the wire ends are already in the heat shrink when you hit it with the heat gun, I can't believe the conductors are actually gonna heat up any appreciable amount...
glen e posted 04-24-2006 10:33 PM ET (US)     Profile for glen e  Send Email to glen e     
Such doubting thomases - buy a few...and try it....
davej14 posted 04-25-2006 07:39 AM ET (US)     Profile for davej14  Send Email to davej14     
I used to sell a similar connector from Raychem (now TYCO). To do it right you should use a heat gun which applies the heat 360 degrees around the connector.

Generally there is a color stripe that will change color when the proper temperature is reached to insure that the solder sleeve has flowed. I don't see any mark on these but it may be there.

swist posted 04-26-2006 08:45 AM ET (US)     Profile for swist  Send Email to swist     
The biggest improvement to shrinkwrap that could be made would be a highly visible warning printed every 3 inches..

"Slide the shrink wrap onto the wire BEFORE you crimp and/or solder the connection, you moron."

jimh posted 04-26-2006 09:44 AM ET (US)     Profile for jimh  Send Email to jimh     
I don't believe these crimp connectors with pre-cut shrink wrap were designed for soldering. Nor do I think you can raise the temperature with a heat gun to the point where solder would melt and flow. Well, maybe with a helluva heat gun, but not the usual heat gun intended just to heat shrink wrap.

I would not crimp a connector after it is soldered.

Hmm--I just read the description more carefully. It does sound like these splice connectors are designed for soldering. Perhaps the heat shrink material is made to tolerate higher temperatures. Usually solder needs about 750-degrees-F to flow.

Chuck Tribolet posted 04-26-2006 10:21 AM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
I dunno of Del City is owned by Ancor or not, but I can't find
these butt connectors on Ancor's website.

Jimh: low-temperature solder.


swist posted 04-27-2006 08:02 AM ET (US)     Profile for swist  Send Email to swist     
Heat guns can get pretty hot - mine is just a plain old $65 Weller model and I can melt solder with it.
jimh posted 04-27-2006 09:21 AM ET (US)     Profile for jimh  Send Email to jimh     
Typical heat shrink like ALPHA FIT® 375 polyvinylidene fluoride will shrink in size at a 2:1 ratio at 150°C. (302°F). The "operating" temperature is rated to 175°C (347°F).

Typical non-eutectic 60/40 electrical solder melts above 375°F.

From the above temperature ranges it looks to me like heat shrink and solder within the the same heat range are mutually incompatible. That is, the heat shrink is out of its temperature range before the solder begins to melt.

The normal tip temperature for a soldering iron used to solder wire of 10-AWG is probably around 800°F.

Perhaps these connectors employ some special combination of a heat shrink material that can tolerate unusually high temperatures and a solder that melts at unusually low temperatures.

Chuck Tribolet posted 04-27-2006 10:38 AM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
Jimh: They say they use low-temperature solder.


seadog3 posted 04-28-2006 05:28 PM ET (US)     Profile for seadog3  Send Email to seadog3     
on the subject of connecting wires , do i need to solder the wires when i replace my regulator? Right now they are butt connected with the shrink tubeing sealing them but i do not see solder on the original factory connections.
davej14 posted 04-29-2006 12:02 PM ET (US)     Profile for davej14  Send Email to davej14     
Jimh, I know you like technical stuff so here you go: 8-002_8-004_Intro_Prod_Sel.pdf

st posted 04-29-2006 09:19 PM ET (US)     Profile for st  Send Email to st     
Wow, that looks impressive, thanks for sharing it Dave!
Seems like now we have at least 3 good sources to make our wiring connections in our boats: Ancor, Delcity and now Raychem.
Wonder if anyone has shown his preference yet...

Post New Topic  Post Reply
Hop to:

Contact Us | RETURN to ContinuousWave Top Page

Powered by: Ultimate Bulletin Board, Freeware Version 2000
Purchase our Licensed Version- which adds many more features!
© Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000.