Red Blue Yellow crimps BEWARE (2 Viewers)

Techno

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If buying crimps don't assume they are all the same quality!!
This is a straight butt connector yellow for 4 or 6mm wire.
The one on the left is quality The one on the right is as much use as an ashtray on a motorbike.
The copper is not only far too thin butt as you can see in comparison the hole is also far too big for 6mm.
ALWAYS give crimps a good tug after fitting! these just pull off with barely any effort.
CA_08071514404840.jpg
 

laird of Dunstan

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I haven't noticed the dodgy ones yet ,I buy my stuff from electrical whole sellers , I shall keep an eye out ,especially when I do 400 v stuff (y)
 

Mousy

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No ideal what a crimp is or what you'd use it for. Hair extensions?
But the one on the right looks like a chinese copy to my untrained eyes.

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Dawn, you are getting bored just lying there, aren't you. :D:D
 
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Techno

Techno

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I never said they were from the same source? The correct ones are made in Taiwan.

It doesn't really matter where they are made as long as they do the job

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TheBig1

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with copper prices constantly rising, then its no surprise that thinner copies are being sold to the cost conscious. Cheap and electrical fitting are generally not a good combination
 

Lenny HB

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A lot of the cheap crimps sold in the auto industry do do meet the reconised approvals, generally ones sold for mains use do, only way to be sure is to buy branded products such as Takbro where all their crimps meet the relevant BSEN approvals.

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Techno

Techno

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A lot of the cheap crimps sold in the auto industry do do meet the reconised approvals, generally ones sold for mains use do, only way to be sure is to buy branded products such as Takbro where all their crimps meet the relevant BSEN approvals.
I suspect you meant do not
 

Landy lover

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There is some rubbish out there - usually Ebay or market stalls - even had them break up when using profession ratchet crimping tools. Where ever possible I now solder and sleeve all joints , far better and less risk of corrosion and high resistance setting in.

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canopus

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When I wor a lad in the Electricity Supply Industry, there was only one brand of crimp and crimping tool which was approved for use in power stations and substations - BICC Burndy. The crimping tool had to be checked for calibration every 6 months and certified.
When privatisation came to the ESI rules were slackened and Takbro crimps and tools became the norm.

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Techno

Techno

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It's not a tool issue
Any ratchet crimp tool is good enough for these small terms
Personally I use this which is as good as anything made at any price (y)
image.jpg
image.jpg
 

vwalan

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i prefer the non insulated connectors and with the right crimp tools you can make it all look like a proper factory loom . not like bodged up back yard job .
is there a vehicle manufacturer that uses then coloured connectors coz i havent seen one yet.
 
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Techno

Techno

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Why are vehicles being brought into this? these are for mains use.
Although I do use them for Solar too

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vwalan

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strangely i thought this was a motor home forum . maybe thats why vehicles get mentioned .
we arent psychic if you dont mention mains we dont know but think you use them on vehicles . in fact i believe there may have been a few vehicles in the pics we have seen at times .
 

vwalan

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and where ever they are used they all look crap.

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vwalan

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I use them all over actually :LOL: but that wasn't the point of post 1 (y)
and seeing the pics you have put on here you do a very tidy job as well.
i do use them as well but prefer the uninsulated ones really .
also find my old uninsulated crimp pliers are the right ones for the mc4 connectors as well.
 

canopus

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It's not a tool issue
Any ratchet crimp tool is good enough for these small terms
Personally I use this which is as good as anything made at any price (y)
View attachment 71600 View attachment 71601


I think you will find that accredited crimping tools used in the ESI do not have multi jaws (red, blue and yellow) within the same head. In the ESI you would have three separate crimping tools. Crap crimps and multi headed tools make for bad connections end of.
 

Jaws

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I think you will find that accredited crimping tools used in the ESI do not have multi jaws (red, blue and yellow) within the same head. In the ESI you would have three separate crimping tools. Crap crimps and multi headed tools make for bad connections end of.

In high(ish ) amperage situations any crimp is not gonna be as good as a solder joint ( just a personal view, having spent a good part of the last 16 years sorting out charging issues on bikes, 90% of which are caused by crimp connections, many of which were OEM fitted ( Original equipment manufacturer ) )
About the only times I use a crimp connection are:
When in the field and not with my tool kit
When I am crimping 15 to 20mm mains cable ( yes really ! ) and even then I usually heat up and sweat some solder on the joint if at all possible

Low amperage application in a dry environment is proly OK.. ( as said .. this is merely a personal preference and not meant to be a recommendation or suggest any thing else is not fine )
 

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