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  1. R

    i installed Android LCD in my car dashboard. And 2 small LCD connected

    THIS IS FOR ELECTRICAL NEWS ONLY - Only companies that wish to get news out to our members can post in here. If you're a general member looking for electrical advice then please click the main HOME button in the main menu and find a suitable forum category for your question.
  2. V

    Next door neighbour mains spurred, pre-meter off my main fuse!

    Semi-detached next door house mains supplied from my property pre-meter off main fuse. I cannot get a smart meter as main fuse cannot be pulled by non DNO electrician. This arrangement has been confirmed as not a revenue dodge (ie running feed to garden shed, extension etc). We confirmed the...
  3. B

    Main fuse blows before MCB.

    I wonder if anyone can suggest a scenario that could have made this happen. I did a full rewire on a two bed purpose-built flat a few weeks ago. TNCS, cut-out in cupboard at the stair-well, I ran the tails to a switched fuse inside the flat and on from there to the consumer unit. All tested...
  4. Z

    Sub main in a domestic property

    Hello all. I have visited a domestic property with two consumer units, one downstairs and then a separate one for upstairs. The upstairs is fed by a 16mm twin and earth and the downstairs is fed by 25mm tails. The cu downstairs is a duel RCD. The question I want to ask is, since the cable...
  5. F

    Where is reg for singular main switch

    Hope some more knowledgeable member can educate me as to where in the BS7671 regs demands that every installation has a singular "Main Switch" if suppling 2 CUs on the same domestic meter board. (Does the internal Main Switch in each CU meet reg 537.1.3? TIA
  6. E

    Oven tripped main RCD

    My friend was cooking dinner with something in and it tripped the electric off at the RCD. Put the RCD back on and finished cooking what they were cooking. The next day they put the oven back on and now there's no heat. Any ideas?
  7. R

    Callender main cut out and main earth

    Morning all, Just after a bit of knowledge!! Been to a job to move a light switch. When I got there noticed a callender main cut out . The incoming cable is enclosed in conduit and main earth has been bonded to that. The conduit looks like it goes straight through wall into next door as it is a...
  8. P

    Severed main earth wire - how to join?

    I have accidentally cut a 16 mm earth wire running through my loft. It's in the middle of a 30 metre run. What's the approved/acceptable method of joining the cut ends?
  9. cliffed

    Main earth protective bonding conductors

    We now have no need to MEPBC to water if proved it’s not extraneous…is anyone MEPBC metal ducting for HVAC & such.
  10. R

    Best way to connect sub panel to main

    I'm moving all the loads from my main panel to a sub panel, in order install an Enphase Enpower Smart Switch in between. The main panel is a 125A cutler-hammer combination meter/panel (MBE1224B125BTS), with a 2-pole100A breaker as the main service disconnect. What's the best way to connect the...
  11. SJD

    Code for main switch replaced with RCD

    On a test & inspection today, I came across an older Wylex split load board that had been modified to add RCD protection for all circuits (see photo). The main switch was replaced with an RCD (despite there being room to add the second RCD to the left of the main switch). So a fault (or RCD...
  12. P

    Main incomer

    Thoughts?
  13. R

    UK Main Earth Cable Source

    When earthing gas and water service pipes do the 10mm earthing cables HAVE to come from the main earthing terminal (first tee) or can they come from a consumer unit that is connected to the main earthing terminal by a 16mm earth cable ? What specifiacally do the relevant regulations say about...
  14. dodger421

    Main Bonding Puzzle

    Hopefully someone wiser than me can help explain some odd measurements I’ve taken at my own home. This is a long read, I’ve tried to give as much information as I can because I suspect I’m over thinking the problem and missing something obvious that’s causing insulated pipework to have earth...
  15. dokkan1080

    Main Earthing conductor max resistance?

    I know main bonding to water and gas need to be 0.05 ohms But what about the main earthing conductor? Does it have a maximum resistance value from MET to the CU?
  16. E

    60a main fuse upgrade

    Evening All Ive got a residential house on a 60a cut out fuse being changed to a 6 bed HMO with 6x 8.5kw en-suite showers. Im am waiting for a quote from the DNO about upgrading the supply from 60-100a. I am thinking of useing 2x 3way Garo non priority sub DB's for the showers to reduce the...
  17. P

    Main isolator replaced with RCD

    A POST FOR DISCUSSION An EICR in my rented flat concluded that an RCD was required among a few other small jobs. I was away while the remedials were carried out but these photo are of the work which was done. The double pole main isolator was removed and replaced with the 80A RCD and among...
  18. NellyManjaro

    Consumer unit below main fuse

    Just a very quick one as can't find anything that answers my question Doing a re wire and a very old property the main incoming cables come in half way up the wall.... providing I don't run my circuit cables past them is there any reason I can't fit the consumer unit below the main fuse? I...
  19. S

    Main Ring / Cooker Ring Trip RCD

    Hey everyone help needed please. Moved into a new home, and have just had all the first fit installed for a new kitchen. During first fit, the electrician changed a socket on the kitchen ring and then moved onto another part. Within a few minutes the whole house tripped on the RCD. He retraced...
  20. P

    Main water bonding and plastic pipe bends

    Hi guys, sorry if this has been asked before. I’m currently in a flat where the tenant queried the water bonding. There’s a 6mm green and yellow leaving the DB and goes to the gas meter as it’s clipped direct I can see it isn’t continuos and go to the water. There is also no other bonding...

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