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Old 07-26-2014, 01:07 PM   #41
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I've had great success with dimple type crimpers and haven't had one fail yet. As parks said the epoxy tends to flow into the small void that the crimper produces. Works for me so I'll continue to use that method.
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Old 07-26-2014, 05:45 PM   #42
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Source of electrical wiring tools

Here are my main tools. I guess I have mostly Ideal brand:
Attachment 31616

The Ideal Crimpmaster does bare (dimpled), Ancor insulated, 3M does both:
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Old 07-26-2014, 05:47 PM   #43
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Tools appeared not to post:
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Old 07-27-2014, 09:25 AM   #44
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Quote:
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Bluto, I also use that type of crimper with heat shrink insulated terminals. It seems to punch a hole in the insulation every time but I've never had a corrosion problem. I think that when I heat it, the adhesive flows into the void and heals it. I also put the dent in the side opposite the seam in the crimp. It is much easier to make a good tight crimp with these than with the tools that flatten the barrel of the terminal.
I used to think that too but after 2 years in saltwater bilge space, some of the pre-made heat shrink connectors failed if the hs shell was penetrated. I'll post a pic when I can find one.
The Ancor ratchet crimper has been intermitant for me as well depending on insulation thickness.
Non-insulated dimple crimped then adhesive heatshrink slid over has not failed me yet.
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Old 07-27-2014, 10:53 AM   #45
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A good ratchet crimper used with the right dies and high quality heat shrink terminals (like those sold by Genuinedealz) will avoid all these issues and take human error out of the equation. You need to practice how to do it right, there are many videos on You Tube. I did a whole bunch of electrical work on my boat over the years; I am not a particularly coordinated person and having high quality tools and materials is essential. Some work involved in remediating crapped out solder or crimp connections from POs.

As for you Klein tool apostles, I did not say they are poor tools at all, geez, I feel like I stepped on someone's pet bunny. It is just in my unscientific sample of maybe a dozen pro electricians I have never noticed someone using them. Ideal, Paladin, Greenlee... are a few that come to mind.
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Old 07-27-2014, 01:44 PM   #46
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PET BUNNY KILLER !!!!!!!!! LMFAO !!!!!
Im always looking for better elect tools.I didn't mean to sound butt hurt
I find that Greenlee make the best unibits and hydraulic punches.
I have no experience with ideal or paladin
I use non insulated for all styles of crimps and I use a dimple type crimp.
TEMCo Lug Crimper Tool TH0012 - 8 AWG - 0000 AWG(4/0) DIELESS Indent Electrical Battery Terminal Cable Wire

TEMCo Lug Crimper Tool TH0012 - 8 AWG - 0000 AWG(4/0) DIELESS Indent Electrical Battery Terminal Cable Wire

I pre sleeve the wire with 3M heat shrink EPS 300 ( the type with the adhesive built into it) Product Catalog&#1603M™ Heat Shrink EPS-300*: Electrical Commercial and Industrial: 3M US
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Old 07-27-2014, 01:58 PM   #47
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Paladin and Greenlee are pretty much interchangeable, same company.
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Old 07-27-2014, 10:42 PM   #48
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Speaking of what the "Pros" do and use and how they do it...Here's another great article from Compas marine on this whole subject. Needless to say, I like this guy!

Marine Wire Termination Photo Gallery by Compass Marine How To at pbase.com
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Old 07-28-2014, 04:39 AM   #49
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Found the pic of a corroded dimpled heat shrink connector. If I use this type of connector, now its only with () type crimper.
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Old 07-28-2014, 10:27 AM   #50
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IMHO crimping over insulation is always a no no
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Old 07-28-2014, 11:49 AM   #51
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Quote:
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IMHO crimping over insulation is always a no no
Ancor seems to have made a business out of this, but I do feel more comfortable insulating myself.
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Old 07-28-2014, 12:17 PM   #52
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Quote:
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IMHO crimping over insulation is always a no no
Just get a good ratcheting crimper and the proper dies for the size and type of terminals you are using. Which you should be doing in any case.
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Old 07-28-2014, 12:27 PM   #53
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And BTW high quality 3:1 adhesive lined heat shrink is much cheaper from Aircraft Spruce than from Ancor. It just doesn't say Marine Grade on it.
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Old 07-28-2014, 06:27 PM   #54
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Just get a good ratcheting crimper and the proper dies for the size and type of terminals you are using. Which you should be doing in any case.

Like I said
IMHO crimping over insulation is a no no. I don't care how good your crimpers are, In MY Humble Opinion it is better to use un-insulated lugs and adhesive lined heat shrink
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Old 07-28-2014, 06:45 PM   #55
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Like I said
IMHO crimping over insulation is a no no. I don't care how good your crimpers are, In MY Humble Opinion it is better to use un-insulated lugs and adhesive lined heat shrink
It certainly eliminates a weak point..but it's not to say insulating terminals crimped with proper dies doesn't preform OK most of the time.

Every once and awhile it seems some manufacturer's leads are a funny size...too big for one sized terminal and too small for another....not when fitting...but after the crimp..it's just not holding as if there isn't enough strands to make the wire bundle dense enough.

With an insulated crimp and crimping die for a specific size..it's gonna be loose..with uninsulated and dimple crimping...it crimps OK....no doubt at all.
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Old 07-28-2014, 07:17 PM   #56
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Like I said
IMHO crimping over insulation is a no no. I don't care how good your crimpers are, In MY Humble Opinion it is better to use un-insulated lugs and adhesive lined heat shrink
Re-read the Compass Marine article. It depends on 1) the insulation and 2) the crimper. The advantage of good heat shrink terminals is the shrink completely seals the business end of the terminal; something difficult to do with separate heat shrink. I would agree with you that cheap vinyl connectors ultimately require separate heat shrink. But why use those?

Gosh, when will soldering rear its head?
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Old 07-28-2014, 07:22 PM   #57
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This thread like so many on this particular forum remind me of this quote about the Captain of the Bounty which sank off North Carolina. I'd make it my signature but it is too long. You'll see it some more, I'm sure:

"He had clearly confused the lack of failure with success, and may have begun to truly believe his own advice."
-MARIO VITTONE on gcaptain, re: Robin Walbridge, last captain of the "Bounty"
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Old 07-28-2014, 08:03 PM   #58
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Oh how so true.....

Anyone that thinks there's only one way to do anything in life falls quickly behind...

I don't know who first said that...probably BILLIONS since the beginning of time.
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Old 07-28-2014, 08:23 PM   #59
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......... Every once and awhile it seems some manufacturer's leads are a funny size...too big for one sized terminal and too small for another................
Strip back some extra wire and use it to make some extra strands to fill the terminal barrel.
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Old 07-28-2014, 09:12 PM   #60
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That's one of many possibilities...I have used them all and to many people's surprise...many methods actually do work.

What works best for a person is just fine with me...insulated/non-insulated, dimple, die...whatever.

Better one think's their wiring may be having problems and checks on it regularly than think the most expensive tool and crimp will always produce timeless results.
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