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Heat shrink marine terminals quality

Old 07-19-2020, 02:07 PM
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Default Heat shrink marine terminals quality

Has anyone ever tried any of the heat shrink terminals listed on Amazon? I’m wondering if they are any good.


Old 07-19-2020, 02:34 PM
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I bought the wirefy connectors. Quality is good.
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Old 07-19-2020, 04:00 PM
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Use them all the time. Quality has been good enough for me over the years and they're standing up to the test of time.
Old 07-19-2020, 04:12 PM
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They are fine for butt connectors. All of the ring terminals I have gotten have been unsealed at the terminal end, pretty well completely eliminating the value of the shrink tubing, and the amount of metal you crimp on tends to be very small, meaning you need to crimp carefully.

you can use some liquid electrical tape and fill the gap after you shrink the tubing, but it’s pretty ridiculous they are not made correctly to be waterproof.
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Old 07-19-2020, 04:55 PM
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I used them to rewire an 18 ft bay boat. 2 years later everything is still tight.
Old 08-17-2020, 10:03 PM
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I could supply different types of heat shrink wire connectors
Old 08-17-2020, 10:29 PM
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Used them. Works on my trailer lights that gets dunked pretty often in saltwater.
Old 08-18-2020, 02:01 AM
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Hello, the assortments of lengths of heat shrink tubing (glue or polyelfin lines) are fine, by all means buy off Amazon but look for a know brand, 3M are good, we use Wurth brand from Germany (or at least a German company) and they are excellent, I have heard the butt connectors from Amazon are fine, not so sure on the ring terminals, make sure they state that they are made from tinned copper and not some odd alloy, in this instance it really isn't worth cutting corners. Hope this helps.
Old 08-18-2020, 05:57 AM
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I've been using these:

Amazon Amazon

The solder inside sure makes a nice connection and melts easily with a heat gun. So far, so good but only about a year of use- spelling mistakes in the description notwithstanding.
Old 08-18-2020, 06:03 AM
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I've run through a lot of terminals, and it has never occured to me to go cheapo, you can get top quality terminals (and the proper crimper to go with them) from Genuinedealz.com and a couple others a t very fair prices.
Old 08-18-2020, 06:09 AM
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i was disappointed with 3M connectors last time I bought 2 bags of 100. they seemed to want to start burning before they fully shrunk.
I thought maybe I had gotten some old stock but when I was at the marine store next door he said he doesnt buy 3m for the same reason. I was so glad I didnt buy bags of 500 like I had originally intended

Last time I bought a few hundred SeaChoice brand and they seem good.
VISUALLY they look the same as the TICONN in the 3rd photo above , obviously I cant say for certain unless someone sent me some if they are the same.
SeaChoice is the house brand of Kellogg and they are owned by Brunswick.
Old 08-18-2020, 06:15 AM
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I've been buying bare connectors and using my own heat-shrink tubing. More for looks I guess, but haven't had a problem. Sealing critical areas with additional liquid electrical tape helps.
Old 08-18-2020, 06:16 AM
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I only use bare terminals and lugs. Separate heat shrink. I don’t like crimping over heat shrink. I feel it compromises it at the crimp.
Old 08-18-2020, 06:33 AM
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I use them and cover the joint with an extra layer of heat shrink tubing to add extra strength and waterproofing. I have noticed the plastic is thin enough a wire can poke through as they shrink.
Old 08-18-2020, 06:47 AM
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I was skeptical too.
Used them for about 2 years now...no failures, shrinks tight.
Old 08-18-2020, 07:45 AM
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I have always used Ancor and haven't seen any reason to change.
Old 08-18-2020, 07:52 AM
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why use cheap, why would I want to save a few pennies for such a time consuming and critical job?
Old 08-18-2020, 08:22 AM
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I like the quality of the terminals from Pacer Group. Not sure of the specific brand. Their prices are good as well.
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Old 08-18-2020, 09:05 AM
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Originally Posted by 30West View Post
I've been buying bare connectors and using my own heat-shrink tubing. More for looks I guess, but haven't had a problem. Sealing critical areas with additional liquid electrical tape helps.
same here. you get such a solid crimp on a bare metal terminal. Instead of pulling on it to make sure you got it, you can actually SEE how good you crimped it. Even with my ratcheting crimpers, I don't like the feel of insulated terminals. I also find that the heat shrink tubing you buy in the black roll shrinks alot faster with less heat that the shrink stuff on the premade terminals... and it looks so much better. All those colors cluttering up fuse blocks and such don't appeal to me. and the colors on them usually indicate wire size. I'd rather have colored wired denoting pos/neg/line/load or what have you.
Old 08-18-2020, 09:32 AM
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Not sure the exact Amazon brand I bought but they were to thin for my Ancor ratcheting crimpers to properly lock the wiring in place.

It may be the crimper, it may be the thickness of either the metal or shrink tube but they were not compatible.

Also, the rings are very thin and bend easily. Ancor were thicker and stiffer. Not sure how important that is for you, but there was a noticeable difference in quality to me.

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