To Crimp or not to Crimp???

[telectrix]

or maybe lift the new CU a few inches up.

 

[The Ghost]

Of course it doesnt need to be metal,

That really was a question for the OP, but now you've spoiled it.

 

[Marvo]

Maybe a bit old fashioned but uninsulated ferrules and heat shrink work for me.

 

[shinypen]

Oh I see! Got pretty close then.

Had a quick look under floorboards. There's a small amount of slack there and might get a bit more if i look a few more joists away as well. Still really useful to get all these opinions for when/if it's not an option. Thanks all. I'll look in to the uninsulated ferrules as well.

 

[KennyKen]

Din rail connectors. Keep it neat and tidy

 

[davesparks]

Hi.

I'm just starting out on my own and really appreciate the advice given here.

I'm installing my C/U (eventually to be used for my NICEIC assessment) and I need to extend all cables 30cms max. I've done lots or research and decided to crimp them and locate within an adaptable box.

I don't want to get the wrong type of ratchet tool and butt crimps. Are the following acceptable for 1.5mm2 upto 6mm2 (different coloured sleeves aside)?

http://www.screwfix.com/p/ratchet-crimping-tool-1-0-10mm/96561
http://www.screwfix.com/p/insulated-crimp-ebb-blue-butt-pack-of-100/47402

Also, is this the best approach? Reluctant to use din rails because of cost but will if it's the best way.

Many thanks, Rob.

That doesn't look like the right tool for insulated crimps, especially considering it has positions for and is marked up for cable sizes up to 10mm whereas a crimper for insulated crimps would normally just have the three positions for the three sizes of crimp.

 

[Des 56]

Of course it doesnt need to be metal, it doesnt house any switchgear. @shinypen you may gind when you come to do cu change that there is a bit of slack on the cables underfloor so you may not need to extend

Seems your advice hit home.amazing what experience can be imparted to the un initiated

 

[telectrix]

a bit like this:

View attachment 35810

the 6mm cpc was redressed after the photo was taken as it looked rough.

 

[bigspark17]

a bit like this:

View attachment 35810

the 6mm cpc was redressed after the photo was taken as it looked rough.

Top of that enclosure is not ip4x. Very neat tho

 

[telectrix]

Top of that enclosure is not ip4x. Very neat tho

cable entry was sealed with a bit of mastis. as was the hole in the ceiling, when testing was complete. . well spotted, though.

 

[shinypen]

a bit like this:

View attachment 35810

the 6mm cpc was redressed after the photo was taken as it looked rough.

telectrix, where did you buy all the kit? Online or local? Thanks.

 

[telectrix]

telectrix, where did you buy all the kit? Online or local? Thanks.

any decent wholesaler will stock the din rail connectors. you can get screw terminals or wago style push-ins. the box is just a bog standard adaptable box. or try here:

din rail terminals | eBay - http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2047675.m570.l1313.TR3.TRC1.A0.H0.Xdin+rail+terminals.TRS0&_nkw=din+rail+terminals&_sacat=0

 

[shinypen]

Thanks.

 

[Jiibrass]

I would suggest the best quality Din rail Connector.

 

[Midwest]

If an odd cable or two is too short, you could also consider rewiring/replacing the short cable