Crimps in consumer unit?

[Darkwood]

As brought up many times on here regarding crimpng ... solid cores should not be crimped with standard lugs and ratchet crimp they are designed for stranded cables, the ratchet crimp most people have is the wrong one and also you will have to source the correct crimps to as your standard crimps also are not for solid, so either use a dinrail mount connectors in appropriate enclosures or use I-Line / Wagos etc thats of course if you dont want to use bog standard connectors.

 

[KAS1]

As brought up many times on here regarding crimpng ... solid cores should not be crimped with standard lugs and ratchet crimp they are designed for stranded cables, the ratchet crimp most people have is the wrong one and also you will have to source the correct crimps to as your standard crimps also are not for solid, so either use a dinrail mount connectors in appropriate enclosures or use I-Line / Wagos etc thats of course if you dont want to use bog standard connectors.

I like this answer that was what I was getting at with the question on MICC, well put, also whatever anyone else thinks I would still feel happier with screwed connections.

 

[i=p/u]

Il use anything , quick tug , no strain on cables. Zzzzz

 

[KAS1]

Getting back to the original question why don't you pull one leg of the ring out of the CU terminate it into a enclosed JB extend the ring to your new sockets and back to the CU all done and dusted and a good job at that.

 

[supertoad]

i would rather use waggo,but if the connection is accessable[ie:inside cu or in cu enclosure]/ in jb then terminal strip or 3 terminal jb should be ok

 

[SparkyJoe]

Well it seems ive been doing it wrong for the past 10 years, along with loads of other people ive worked with. as ive always used crimps on solid core cables.

 

[Spark1979]

Well it seems ive been doing it wrong for the past 10 years, along with loads of other people ive worked with. as ive always used crimps on solid core cables.

Me too, oops! Always thought crimps were for solid cables too always give them a good tug and to my knowledge never seen a burnt out crimp, but I have been proven wrong many times - mostly by the wife though

 

[supertoad]

i thought solid core was ok in crimps also

 

[Darkwood]

Solid core crimping in banned in most industries like rail, NASA, Aviation etc etc but stranded or allowed it kind of spells it out for you as its been proven time and time again to be an unreliable crimping method...

And here's the reason... when you crimp a stranded cable with correct ratchet crimper it shapes the crimp in a manor that it holds its structural integrity and give good surface area contact, with stranded this is easily achieved as the crimping action shapes the strands into a tight formation and because they are loose they adapt to the crimp shape.
Now a solid core doesn't mold into the crimp shape and create a situe where the crimp deforms around it which can't guarantee the crimps structural integrity and also surface contact can sometimes be at two points only the top and the bottom with pockets around the core.
The final issue is flexing of cables if a standed cable is moved and wiggled all the energy is absorbed in the flexing of the strands where-as solid core tranmits a large percentage of the energy into the crimp joint where it becomes prone to loosening even after just a few occasions as this is also coupled with a deformed crimp joint.

 

[KAS1]

I think anyone who's been involved in any major industrial electrical contracts would know this about crimps, but people who have spent all their working lives on house bashing wouldn't lol

 

[KAS1]

Just shows even after 10 years people are still learning, nobody knows it all that's what we're all here for to share things we know

 

[Octopus]

Back to the OP, what load is there going to be on the new sockets? If its small I'd do a spur from the CU to a FCU, then to the sockets. Far better IMHO

 

[KAS1]

Back to the OP, what load is there going to be on the new sockets? If its small I'd do a spur from the CU to a FCU, then to the sockets. Far better IMHO

I like this answer as well , I bet you wouldn't of even asked the question.

 

[amlu]

crimped lots of cables on house bashing, never had any problem, good ratchet crimper and insulated blue crimps do the job for 2.5 cable. its not nasa, those cables wont fly to space.
you can stick them in some wago too.

 

[KAS1]

Where would you use crimps house bashing?

crimped lots of cables on house bashing, never had any problem, good ratchet crimper and insulated blue crimps do the job for 2.5 cable. its not nasa, those cables wont fly to space.
you can stick them in some wago too.