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  1. M

    Saftey before RCDs

    I understand the importance of RCDs, what they do & how they can save lives. I agree with there requirements. I also understand you can meet ADS disconnection times with high enough Zs values for relevant fuses or MCBs, etc In the 18th edition the use of RCDs is much more widespread The...
  2. K

    EICR before Napit registration.

    Hi all, having been 40+ years in the game, have just done 2391 & 18th, waiting for Napit to access, i have been offered a contract to EICR a quantity of rentals. Can i do these prior to Napit accreditation? I have all Insurances needed. Thanks.
  3. Mark Wright

    Max Earth Fault Loop Impedance for OverCurrent Devices Before Amendment 3 and Now???

    Maximum Earth Fault Loop Impedance for OverCurrent Device was calculated 230/(MCB Rating*5) * Rule of Thumb is that correct? And how are they worked out now after Amendment 3?
    • Mark Wright
    • Thread
    • amendment before devices earth earth fault loop impedance fault impedance loop loop impedance max overcurrent
    • Replies: 5
    • Forum: UK Electrical Forum
  4. R

    How to shut off 120v baseboard heater?

    I've planned a 20A circuit serving a tiny half-bath in a workshop. The circuit will contain a few LED ceiling lights, a receptacle (not for tools) and a 350 or 400W 120V baseboard heater. So it would not be convenient to shut off the heater via the main panel. When I'm not working during the...
    • rmully
    • Thread
    • baseboard before control double either heater how to mount mounted off single single pole switch thermostat wall
    • Replies: 1
    • Forum: DIY Electrical Advice
  5. G

    Notifiable work before joining competent person scheme

    I’ve been offered a full rewire and consumer unit change, in the guidance note it says all notifyable work should be reported to building control or done by a person who is signed upto a competent person scheme. My aim is to sign upto a scheme eventually, I’ve done a domestic installer course...
    • GDF144
    • Thread
    • before competent electrical work joining notifiable person scheme work
    • Replies: 3
    • Forum: UK Electrical Forum
  6. P

    Anyone come across this before?

    The MCPB are heat damaged and breaking down. But theres a white residue also on the cabling in places. Anyone else ever seen this?
  7. Q

    NICEIC Certification Scheme Do I have to notify before assessment

    Hi everyone, I am planing to join Competent Person Scheme through any provider. I checked NICEIC requirements, it says “In order to demonstrate how you have complied with BS 7671 your Assessor will need to review the following certi cates and reports during your assessment: -A sample of...
  8. L

    UK Are surge protection devices fitted before or after the main switch

    Are surge protection devices fitted before or after the main switch
    • L1Jay1
    • Thread
    • after before devices fitted main main switch protection surge surge protection switch
    • Replies: 30
    • Forum: UK Electrical Forum
  9. A

    Asbestos check before fixed wire test

    Hello all. I'm starting to do more fixed wire testing at my company and wondering about asbestos checks. The last company I worked for (was an apprentice at the time) didn't check any asbestos register before starting the test so just wondering where to stand with it. These will be commercial...
  10. B

    Never seen this before myself.....

    Still new to this game just not seen this before..Got to install a small 2 way unit for a loft conversion so popped in today for a recce and found this, the incoming line and neutral splits before the meter and main fuse and goes through to next door?.... Got to love the wet pants as well, gas...
  11. mattg4321

    Came across some cable I haven't seen before

    I came across some cable today I haven't seen before. It has some sort of tough, inflexible pvc type sheathing (definitely not rubber). It's quite a light silvery grey and more oval shaped than modern flat T&E. Rubber insulation. No CPC. Probably tinned copper conductors, but maybe even...
  12. M

    Preparing for EV charger: cable and earthing before driveway?

    Hi, Can I ask some advice on what to bury please? This is the the front of my house in plan view. House at the bottom. Porch at the bottom left. Driveway at the top. There's a fence between the driveway and the lawn. The incoming electricity supply runs underground down the left hand side of...
  13. M

    Isolator before the meter

    I wish to find out what’s people’s thoughts on isolators before the meter? Typically they are installed after the meter and before the CU, but does anyone know if there is any reason why it cannot be placed before the meter? Aside from what revenue protection like or not, is there any legal or...
  14. D

    Anyone tried these before..?

    https://www.screwfix.com/p/knipex-5-in-1-vde-electrical-installation-pliers-8-200mm/5211f 40th Birthday coming up and my parents are insisting they get me something so might cut a new pair of cutters / shears and wondered about these
    • Dustydazzler
    • Thread
    • anyone before these tried
    • Replies: 10
    • Forum: UK Electrical Forum
  15. J

    Switch before or after transformer?

    Hello- I'm planning to install a bunch of LED lights in my kitchen cabinets. The idea is to have a small LED strip turn on automatically when opening the cabinet door. I've found a 12v LED strip that can be cut into 30cm long sections that will be perfect for my application, along with some...
    • jonplapham
    • Thread
    • after before switch transformer
    • Replies: 11
    • Forum: Lighting Forum
  16. J

    2391 before completing my NVQ L3?

    Hiya fella's, I have almost completed my NVQ L3 (with the final 10% completed via employment) and I have been working as a sparks mate for the last 3 months on-site. I have so far gained experience in emergency lighting, most containment, installing industrial safe isolation boards (with them...
  17. C

    Something I haven’t seen before

    Any ideas what this is? And how it works?
  18. P

    Megger 1730 calibrate or not before sale?

    I have an MFT1730 which I will be selling (have upgraded) and would value the groups opinion. The calibration certificate has expired so is it worth me spending the money to have it recalibrated before I sell it? What would you all pay for a meter that is in excellent condition calibrated v’s...
  19. Michael J

    Green neutral anybody seen this before?

    Haven’t seen this before
  20. L

    Fixing cables before dot and dab

    Hi guys, Doing a kitchen refurb and adding and extending some sockets and extending the cooker circuit. Builder is going to dot and dab the walls next week just getting people’s opinions on the best method for fixing cables. Clipped direct to the wall or in oval tube or capped? Also 25mm or...

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