cables

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  1. N

    methods of running cables

    I have been asked to fit some new sockets and lights in a room on the external wall,the wall is insulated with kingspan and there is no gaps between any framing or the kingspan. There are no other sockets/switches on this wall.I can get above the room and limited access at floor level if I lift...
  2. P

    Rat chewing cables in loft, what would you advise the customer?

    Someone has messaged me asking to come have a look at their house as the breaker has tripped. They think they have a rat problem and the cables are being chewed in the loft. I’ve advised them to get the rat problem sorted or get pest control in to remove it as if I fix the cable it will get...
  3. Charlie_Don't_Surf

    Steel conduit maximum capacity for 90 degree thermosetting cables

    Hi, as part of a project for my level 3 C&G 2365 course, we need to provide power to a number of 230v single phase socket outlets on a ring final circuit for a workshop area within a building designed for light industrial work. The considerations about current carrying capacity and other...
  4. K

    extending cables in CU

    Hi Could some one help. You come across a CU relacement job and you realise cables are too short. What would you do to extend the cables? I could think of 2 options: 1. cutting the wall to expose the cables and move the CU 2. Using crimp connectors to extend conductors. Is there a profi system...
  5. M

    Would you use an old CU to extend cables.

    I recently inspected a job in a 1960s-era apartment building. Three of the properties have old Wylex rewireable consumer units (CUs) with Pyro wiring. To minimize damage to the 50-year-old Pyro, which passed testing, I propose the following approach: 1. Utilize the old CU as a junction box. 2...
  6. holmestm

    Should the armour of an SWA carrying twin and earth cables also be earthed (with banjos etc)

    I have an existing installation extended in 2015. The existing cable had 3 cores and used the armour as earth, with connections soldered onto the SWA gland where required (e.g. in external sockets). At the point the extension was added the contractor took the armoured earth and connected it to...
    • holmestm
    • Thread
    • and earth armour cables carrying earth earthed regulations swa twin twin and earth
    • Replies: 10
    • Forum: DIY Electrical Advice
  7. J

    Junction Box Connection for AC Cables

    Hi everyone, I'm working on a project where I need to connect two copper AC cables. Instead of running a very long cable, I'm using two shorter cables that I already have on hand. I'm planning to connect them inside a junction box using a terminal block ) for continuity. The cables are...
  8. E

    Extending Cables

    I'm going to move a consumer unit and the. cables may or may not reach the new location, once its moved however the old location will no longer be accessible, If required I intend to extend any circuits using crimp connectors, any comments?
  9. Vicks141

    Connecting old rubber cables to new twin brown at a 1gang 2 way switch.

    Hello please don't shoot me down its my first ever DIY post/question online. Recently updated upstairs to new regulation cables The problem I have is at the hallway light. It's a 1 gang 2 way switch. The cables that come from downstairs are the old rubber ones. 2 of the them. They were in l1...
  10. P

    What do you use to cut and strip tails or chunkier cables?

    Hi, hope everyone is well. I’m looking to buy some cutters to strip and chop 10mm cables and above, mainly domestic use. I was thinking of either getting 1. CK cable cutter 240mm, these are the biggest version which would give me more leverage to easily cut with barely any effort...
  11. TheArcMan

    Hydraulic crimping of 25mm 19 strand cables in flat crimp pins?

    Evening chaps. What's the rules on this? I can't specifically see anything relative to the 19 stranded cables. My boss says he won't crimp in consumer units, avoid it all costs, he rather strip a whole house down or add additional boxes than use a single crimp inside a CU. Fair play to him...
  12. B

    UK RCD Protecting Distribution Cables on a TT on Industrial Estate

    Hi All, I'm looking to pick the brains of experienced engineers who have dealt with TT more than I have please. We have an installation on a site which may or may not be unique. There are four 12m x 12m units inline with each other, all connected as one building, with the plan to build a...
  13. C

    Cooker and kitchen power cables to be enclosed in rockwall

    Hello All, I have just found out that a family member who is having some Building work done has been advised to insulate above the Kitchen ceiling of their flat with Rockwool type insulation - above their ceiling and into the floor void of the flat above. I have told them that Electrical POWER...
  14. 2

    Calculation submain cables

    Hi. Im looking for some advice when calculating submain cables. Basically there is a new connection of 80Amps that is to be used for a dwelling and a small workshop. I had thought taking to a feeder box with one submain and then two feeds away into the buildings. A direct run from dno to...
  15. S

    UK some help with grouping of cables

    According to note 8 of table 4c1 of bs 7671, cables of differing operating temperatures when grouped together, the current rating is to be based on the lowest temperature of the group. could somebody elaborate on this in regards to a 90c thermosetting being grouped with a 70c cable. do the C...
  16. P

    EICR coding of 521.8.1 violations (3P over 2 cables)

    Another thread asked about two circuits sharing a common multi-core cable and regulation 521.8.1 was mentioned. A friend of mine has inherited the "opposite" issue of a 3P circuit spilt over two T&E runs. Yes, I know that is bizarre and not something you really would expect to meet. However...
  17. M

    AM2- Clipping cables to tray with P clips?

    This might come across as a really daft question to people who work with cable tray quite often but as part of my AM2, I am to clip FP200 to the tray using: P Clip Nut Washer I’m just a bit confused about how this should look and which parts should be on the “inside” where the cable runs on...
  18. Electrical2go

    Electrical2Go - Save Time Installing Cables with Super Rod

    Electrical2Go - Save Time Installing Cables with Super Rod At Electrical2Go, we're constantly striving to bring you the latest and most innovative solutions to meet your electrical needs. We're thrilled to announce a significant enhancement to our product lineup – Super Rod, a name synonymous...
  19. C

    What maximum amperage for cables

    This question has probably been asked several time but things change. The house I'm living in now was built in the 1960's and has a ring main using 4mm Flat Twin and Earth. A lot of properties I've noticed have been wired with 2.5mm FTE and both connected through originally a 30amp fuse or more...
  20. T

    Two cables one box

    Replacing a light fixture in an older home. The ceiling box has two cables, each with a hot and a neutral (photo attached). The old fixture had two bulb sockets and was wired with a hot wire to each socket and the neutrals connected and capped. My new fixture has only one hot and one neutral...
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