cable run

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  1. H

    Mig welding and cable run.

    Some advise or views would be appreciated. My supply is 100 amp single phase. I purchased my property 3 years ago or so, the owner prior to the couple I purchased it from had installed a single external 32 amp socket near to the kitchen back door. The cable to this socket is easy enough to...
  2. D

    External cable run best method for this situation

    Hi I've got an new outbuilding that needs power run out to it, the building is very close to the house and the original plan was to run an armoured down the wall, in a 600mm deep trench and then up the wall of the outbuilding. I've marked the originally intended route on the image below, which...
  3. W

    Big cable run supply issue

    Hi, I’m an industrial electrician, so when it comes to DB regs and such my experience on them is a little limited. I need 2 x 16A 3 phase supply and 4 x 230v 3 pin sockets which is intend to do as a ring however, the nearest supply is approx 120m away! Running this through a cable calculator...
  4. RF Solutions Ltd

    Install new heating systems? Ever had a missing cable run between a boiler and a pump?

    Do you install new heating systems? Ever had a missing cable run between a boiler and a pump? Using MAINSLINK - the pump overrun solution - you can avoid expensive cable runs when cables are missing between a boiler and a pump. When the MAINSLINK by the boiler has 230Vac live input, this...
  5. S

    Solar Panel Cable Run, New Build

    Hi all I'm looking for some help on a query I have. I'm currently involved with a new build with the plan to fit Solar in the very near future, which I have never installed before or had any experience. The plan is to fit a 3.4kw system and i wanted to put in the cable ready from where the...
  6. F

    Can I run mains cable inside hollow metal lintel?

    Hello I’m going to install a hard wired 230v security camera, incorporating floodlights, outside and above garage door onto brick. An exposed expanded metal lintel (that is hollow) runs across the garage door opening. Outside it has a decorative brick facing. The brick is not load bearing. I...
  7. P

    UK Solar SWA cable run 10mm or 16mm

    Morning, I was just looking for some advice on what other sparks would do for the following scenario:- A detached Garage is going to house a 7.4kw Solar Array and around 12kw of battery storage. The supply needs to return back to the main house (cable run approx. 22m) to DNO/consumer location...
  8. D

    Is it safe to use 10mm flexi conduit for single circuit cable run, less than 3m, mounted in ceiling, 2 LED domestic lighting points?

    Trying to replace a single run, approx 3M with no bends, of a single 1.5mm twin & earth cable between 2 lighting points in a domestic space. Cable to be mounted IN the ceiling & plastered over. Both points to carry an LED light fitting so minimal current. Is it safe to use 10mm conduit? BS7671...
  9. T

    240V AC & red alarm cable run together

    Hi Guys, Wonder if I may ask a question? Is it permissible to run the red fire alarm cable with the mains T&E cable, though holes and in the same trunking? I thought alarms were 24V and that ELV, data, telephone etc & LV should be kept separate? Maybe there is an exemption for fire alarm...
  10. D

    Cable run behind DNO board

    What are people's thoughts on running a distribution circuit behind the DNO's Cutout? I've a consumer unit mounted with no clearance above or to the sides and I'm struggling to find a route to it easily. There is a possible route I could use, but it would mean running the cable behind the dno...
  11. R

    When can an RCD be omitted from a domestic cable run

    What requirements need to be met to not require an RCD for a cable run in safe zones
  12. Spike1947

    Cable run for Fixing a double socket on Chimney Breast

    Hi Would this be allowed : Fitting a double socket to a chimney breast , chased a horizontal run across the chimney breast then to the first corner then along horizontal to about 500mm to meet up with a double socket feed that comes down to a double socket and then it follows that run down into...
  13. J

    Advice on long SWA cable run and new supply

    Hi, I have a house with a standard mains supply coming down a pole in the front garden to a brick meter housing. I also have a bungalow that is 350 metres away and is also supplied from my existing mains supply via an underground SWA cable (7 strand 1.1-1.4mm so 10A I think max) 50 metres past...
  14. H

    RCD constantly Tripping on long cable run

    I'd be very grateful if someone can help with this..... I've added a diagram to help explain. This is single cabling not a ring (I'm in France). All the cabling is underground which is split into 3 at a junction box by MCB's. There are 5 spurs above ground on the cable in question and each has...
  15. E

    Use RCD for 130m cable run to outbuilding?

    Hi all. I have a couple of outbuildings which I laid cables to from the house. Both are about 130m cable runs away individually. Just thinking about the time it takes for a RCD to "trip" - do I need to put RCD's in the distribution units? at the buildings? Also I presume it would be wise to...
  16. I

    Cable run under floorboards

    Hi Group Had a third party inspection by a NAPIT tester, to get building control approval for a pv installation. He has failed the cable run in Twin and Earth under my floorboards even though its greater than 50mm from surface. No 30ma RCD fitted to this circuit. I though it was acceptable if...
  17. uksparks

    100m cable run

    Hi, you know that thread about running 100m of cable on a farm and it works out at approx 70mm. just thinking out loud here, how would you terminate 70mm into a consumer unit? Clearly you can't, so what would you use? I was going to say a switch fuse but that's not appropriate. its not a...
  18. C

    100m Cable run

    Afternoon all I have a task of running a supply from the 3 phase incomer on a farm to a barn conversion 100m away. The blue phase (100A) is free that I will have to run and connect to the 100A consumer unit which recently installed in the barn. What size armoured will be safe to do so? 25mm...
  19. P

    Extending an existing cable run

    Hi All, first time post so be gentle. My consumer Unit is situated under our stairs next to an outside wall. I currently have a 13amp two gang socket under the stairs, surface mounted. The boss lady now wants two further sockets situated near our front door on the same wall. Extending the cable...
    • pugsley
    • Thread
    • cable cable run existing extending
    • Replies: 13
    • Forum: DIY Electrical Advice
  20. Energetic

    500m Cable run...

    Have been asked to look at a 500m run for a 10kW and 50kW PV options. I'm getting catastrophic VD losses on the 50kW in AC TPN on 35mm SWA. For the 50kw you’re looking at 13% losses with 35mm. That’s over 6kw lost. The losses on the 10kw AC TPN are 1.5% on 35mm which i'd consider on that basis...
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