Jump to content

Proper way to fix cable


Pocster

Recommended Posts

Ah bum !

Drill snagged one of my radial socket cables ! . Assume I don’t have to re thread an entire new cable through ? . What’s the proper way to join this ? I.e a way an electrician would be happy with ?

 

this Ok ?

Won’t have any access ; so needs to be fix and forget 

 

https://www.screwfix.com/p/debox-in-line-connector-box/8692H?tc=ST2&ds_kid=92700050366088830&ds_rl=1241687&ds_rl=1245250&ds_rl=1249401&ds_rl=1245250&gclid=EAIaIQobChMI46ebq_y35wIViZntCh2eRAhlEAQYASABEgJi-_D_BwE&gclsrc=aw.ds

26521583-95AD-42F6-B91B-A2FD2B2B0EE2.jpeg

Link to comment
Share on other sites

Given the inaccessibility anything with screw terminals won't suffice as there'd nbe no means for inspection and re-tightening should they creep/loosen over time. 

 

One option is crimps, but I wouldn't recommend that without a decent tool and some experience, and so I'd recommend instead something with spring loaded terminals. Wago do a 'Wagobox' that is classed as maintenance free when used with their terminals and Ashley do some maintenance free junction boxes with builtin terminals. Debox also appear to do a maintenance free version of the one you linked to. 

 

Apologies for the lack of specific part numbers and/or links but I am posting from my mobile so trying to be brief! Can post further details later if required.

  • Thanks 1
Link to comment
Share on other sites

Crimp new wires in a  staggered joint and use heat shrink sleeving to provide the double insulation that's required.

 

This has to be a maintenance free connection, so screw terminals (as used in that connector box) aren't allowed.

 

I have a feeling that @Onoff posted some photos of a proper crimped and sleeved inaccessible cable joint some time ago, but I can't find them from a quick search.  Not hard to do, and by staggering the joints you can keep things from getting too bulky under the final sleeve.

 

If you have room, then Wago connectors fitted inside a Wagobox are classed as maintenance free, I believe.  There's also the Hager/Ashley maintenance free connectors (same product, different name) like this: https://www.tlc-direct.co.uk/Products/ASJ803.html

  • Thanks 1
Link to comment
Share on other sites

23 minutes ago, Jeremy Harris said:

Crimp new wires in a  staggered joint and use heat shrink sleeving to provide the double insulation that's required.

 

This has to be a maintenance free connection, so screw terminals (as used in that connector box) aren't allowed.

 

I have a feeling that @Onoff posted some photos of a proper crimped and sleeved inaccessible cable joint some time ago, but I can't find them from a quick search.  Not hard to do, and by staggering the joints you can keep things from getting too bulky under the final sleeve.

 

If you have room, then Wago connectors fitted inside a Wagobox are classed as maintenance free, I believe.  There's also the Hager/Ashley maintenance free connectors (same product, different name) like this: https://www.tlc-direct.co.uk/Products/ASJ803.html

I think that junction box you link to will be perfect . I have plenty of space so that’s not an issue .

 

Think I might get a few of those “ just in case “ I.e for next time !!

Edited by pocster
Link to comment
Share on other sites

I quite like the soldered heat shrink ones.  Last ones I used were supplied with the cable jointing kit for our water pump.  Easy to use, just make a staggered joint (as you've shown, @Onoff) but you just push the wires into the soldered shrink butt splices and heat them up with the heat gun set to a high temperature, so that they shrink and make a soldered joint at the same time.  I also prefer the adhesive lined heat shrink over the other stuff, as well as sealing things up it also adds a fair bit of mechanical strength, in case the cable gets pulled.

Link to comment
Share on other sites

3 hours ago, pocster said:

Ah bum !

Drill snagged one of my radial socket cables ! . Assume I don’t have to re thread an entire new cable through ? . What’s the proper way to join this ? I.e a way an electrician would be happy with ?

 

this Ok ?

Won’t have any access ; so needs to be fix and forget 

 

https://www.screwfix.com/p/debox-in-line-connector-box/8692H?tc=ST2&ds_kid=92700050366088830&ds_rl=1241687&ds_rl=1245250&ds_rl=1249401&ds_rl=1245250&gclid=EAIaIQobChMI46ebq_y35wIViZntCh2eRAhlEAQYASABEgJi-_D_BwE&gclsrc=aw.ds

26521583-95AD-42F6-B91B-A2FD2B2B0EE2.jpeg

Honestly, given it's a new build, if you can I would replace it - another option is to replace a section of it and add another socket somewhere so you can make sure of the now shorter cable and thread a new bit in.

 

Of course you can join it, but, I never like it. You could simply fit a 1G pattress box connect with Wago's and then fit a blanking plate. But then you have a blinking blank plate. Basically it needs to be accessible unless you opt for a maintenance free option. I have in the past done a staggered joint, soldered and heat-shrink it all. 

 

What the regs say:

 

Every electrical joint and connection shall be of proper construction as regards conductance,
insulation, mechanical strength and protection.

 

Every connection shall be accessible for inspection, testing and maintenance, except for the following:
(i) A joint designed to be buried in the ground
(ii) A compound-filled or encapsulated joint
146
(iii) A connection between a cold tail and the heating element as in ceiling heating, floor heating or a trace
heating system
(iv) A joint made by welding, soldering, brazing or appropriate compression tool
(v) Joints or connections made in equipment by the manufacturer of the product and not intended to be inspected
or maintained
(vi) Equipment complying with BS 5733 for a maintenance-free accessory and marked with the symbol MF
and installed in accordance with the manufacturer’s instructions.

 

 

 

 

 

 

Edited by Carrerahill
Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
×
×
  • Create New...