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To crimp or not?

Discuss To crimp or not? in the UK Electrical Forum area at ElectriciansForums.net

Rockingit

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Finding myself doing a number of terminations at the moment where the cable dia (16-25-35mm) is at the smaller scale for the clamp or screw terminations they're going in to, so they're flattening or splatting more than I'd like. Toying with re-doing them using ferrules but I know there's two schools of thought on this - what are other people doing these days?

NB - not talking about fine stranded/tri-rate etc, just normal stranded singles/tails
 
....they're flattening or splatting more than I'd like..........
I wouldn't worry about the course strands flattening out in the cage clamp, the more the better as long as the clamp has a secure grip of the wire after all is done.

I didn't realise whip wrapping was still a thing, I haven't dressed a wire like that in 30 years... I assumed it was no longer considered good practice along with soldering.
 
Yikes!!! I'll go fetch my lawyer...
I guess I'm just basing this on personal experience. And the fact that the metal tube walls are much thinner on the cord end terminals (ferrules) than they are on the tubular crimps.
Could be wrong I guess...
Maybe we should get John Ward to conduct an experiment the results of which can be used as a legal precedent.
Sorry, poorly worded way of asking for your logic as to why!

I think the problem is less in a clamp, as all the strands can flatten and compress easily, it's in a large screw terminal with a smaller screw where if you lift the connection back out after you've screwed it in you see straight away that only the 'middle' has the imprint of the screw and a good 30% of the strands left and right of it have just been doing their own thing - and a ferrule will prevent that from happening.
 

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