main

  1. C

    Noisy main cold water pipe, my plumber hasn't heard this before. plumbing advice

    Noisy main cold water pipe, my plumber hasn't heard this before. Hi Folks, Would like to cast the net far and wide to try and get some resolution to this problem. The mains water coming into the property via a 15mm copper pipe, I have a Worcester Bosch Heatslave 15/19 around 16 yrs old to which...
    • ComfortablyNumb
    • Thread
    • advice before heard main pipe plumber plumbing plumbing advice water
    • Replies: 0
    • Forum: Plumbers Forums
  2. Dan

    Location of water meter with main shutoff valve. Discussion Thread

    This is an RSS feed of thread: Location of water meter with main shutoff valve. Content of the thread: I am refurbing my bathroom & need to replace the dodgy main stopcock from the rising main. It is easily accessible and the job should be straightforward. I live in a first floor flat in a...
    • Dan
    • Thread
    • location main meter plumbing thread valve water
    • Replies: 0
    • Forum: Plumbers Forums
  3. C

    Emergency stop buttons on workshop ring main.

    Please forgive terminology. This is a DIY question. Domestic Workshop in new (new to us - small charity) premises that has its own RCD consumer unit with a ring main circuit and a lighting circuit. Has a few single-phase bench tools, saws, pillar drill etc. It's an odd one, it really is...
  4. Bluetit

    Extending sub main

    Hello, Planning some work for someone currently installing a new CU and a switch fuse in an extension, fed from a new DNO supply. Have turned up and had a look at it, mostly seems all okay other than the hockey stick being on the wrong side of the meter box. However, the 63A switch fuse is...
  5. P

    individual RCBOs or a main breaker RCBO? and what trip level 10mA or 30mA

    I have the feeling that I might have small currents running in the house. So first of all, I am considering to get a leakage clamp meter. But besides of this, I am also considering to replace the breakers with RCBO. But then the question, should I go for indivdual rcbo or just replace the main...
  6. B

    Installing an energy meter on a ring main

    Hi guys, I have a client who wants to install meters on every power circuit in order to monitor energy consumption etc. Just wondering if there is a specific method to wire up such a configuration on ring mains? As far as I can tell, I'd need to come out of the RCBO to the meter, and then have...
  7. N

    RING MAIN CONFUSION

    Hi guys. Having a weird problem in a house that has suddenly happened. One half of the ring main has 240ish volts (fluctuates of course), and the other half is dropping to 210v - This is when I test L-N and L-E…. N-E shows nothing. Whenever I plug a table lamp in the the faulty side of the...
  8. K

    2 x Main Switches in on consumer unit

    I wondered if it is OK to have 2 x Main Switches in the same consumer unit. One feeding the RCBOs in the House and one feeding the CU in a garage, so that the outbuilding stuff can be isolated from the House CU?
  9. S

    Attic sockets in ring main uk

    Hi all I would like to put some sockets in the attic and keep them on the main house ring main. Am I right in saying I can pull one of the legs from the bedroom socket and create my ring of sockets and the last socket connect it back to the bedroom socket
  10. tidytech

    Consumer unit feeding another consumer unit via Main switch

    Can a domestic consumer unit feed another consumer unit, via the Main Switch. Details are: domestic property with 100A single phase supply, TN-C-S incoming supply to Main Switch on DBU1 Output from the DBU1 Main Switch, also outputs two two wires, that connect to the input of another consumer...
  11. C

    Help with spurs from ring main

    Good evening. Currently sorting out my girlfriend’s flat for rent. I’ve found all sorts of bad electrical work. Can anyone advise if this is an acceptable way of connecting 2 spurs to the ring main? It will all be connected in a double back box behind a blank plate on a wall using 32amp rated...
  12. I

    Is the main fuse big enough?

    Hello Shop with a 100A main fuse LED lights few amps max, cash tills, cash machine, roller shutter, auto door, nothing pulling much power but there are 5 motors totalling 80.5A FLA Realistically what sort of power would this site be pulling constantly? Slightly conecerned that it may be...
  13. L

    Very high Zs on ring main.

    What would be the fault with a very high Zs at all sockets on a ring main, the sockets are an average of 68.10 . The lights are.67 and the is a socket radial circuit which is at .51 .
  14. cliffed

    comply to Regs to install a MCB for the Sub Main to the 1st Floor DB

    Replacing DB’s with all singing all dancing RCBO’s Problem’s we have now…Existing installation consisted of DB Grd Floor.. DB 1st Floor…Grd Floor DB supplies 1st Floor DB…16mm T&E installed IN fabric of building. DB 1st Floor supplies Remote Garage Block 16mm T&E With the Sub Main to DB 1st...
  15. P

    UK Shared income supply main fuse

    Hello, my incoming supply has one main fuse that feeds the next door naghbour it leaves my house to go next door as shown in picture..it's the single cables going through the hoteCan this be split, and how would be responsible for any changes.Thanks Paul
  16. A

    Bus bar chamber with no main isolator

    Evening, I've been asked to install a supply to a sprinkler system in a new installation that must be separate to the building electrical services. I.e if you isolate the building to work on the electrical services then the supply to the sprinkler pumps must remain live. The only way I can see...
  17. BodgeJob

    Does a main protective bonding conductor require UV protection when run outside?

    Hi there, Just a quick question. Does a main protective bonding conductor require UV protection when run outside? I am under the impression that this is not a requirement as such, but if possible, it should be considered. Especially if installing a smaller sized conductor. I am running a main...
  18. M

    Changing main RCD AC-type to A-type

    Hi, I'm back in the electrical game after 9 years break so feeling a little rusty! I'm adding an additional socket to a circuit but the main RCD feeding all the circuits in the consumer unit is AC type. Based on this, I believe I have to change this to an A type which is fine but the question...
  19. N

    SUB MAIN QUESTIONS. ADVICE NEEDED

    Hi all. I have been asked to take over a job an electrician has started, and has moved abroad. The house is a big mansion, with a 3PH supply, with 100A fuse on each Phase. The electrician has ran 2 25mm 3core armours to another 2 DB’s in the mansion, and there has to be a DB fitted where the...
  20. ionionascu

    UK Seal wall holes with main cables

    Hi. I live in an older house and I have old white twin and earth cables going through walls in large white pipes. Unfortunately, some mice managed to squeeze through these pipes so I want to seal all the gaps. Can you please recommend a sealant that can be used for this? I read that fire rated...
Best EV Chargers
Best EV Chargers by Electrical2Go! The official electric vehicle charger supplier.

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

TrueNAS JBOD Storage Server

YOUR Unread Posts

Daily, weekly or monthly email

Receive a daily, weekly, or monthly email containing a digest of new and recently updated threads.
UK Tiling Forum | Tilers Forums
UK Tiling Forum by Tilers Forums UK
Plumbers Forums | Plumbing Advice | Gas Forum
Electrician Tips from Professional Electricians
JBOD Forums: a forum for JBOD storage server advice
Back
Top