electrical wiring

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  1. P

    14th Edition Regs Book

    Hi, I am new to this forum and hoping for some advice. Does anyone know if it's possible to get your hands on an old regs book, 14th edition prior to metric conversion. Maybe a PDF download somewhere if a physical copy is out of the question. I work for a large organisation doing condition...
  2. DT1991

    SCHNEIDER RCBO

    Fitted a new Schneider RCBO B20 30mA Single Pole Type A. Connected function earth and neutral lead, with rcbo turned off, turned slider on, turned rcbo on, tested operation of push button and it went kapot! Test button now stuck in and will not reset? Ideas anyone or just a faulty RCBO? Edit...
  3. B

    Bonding Cast Iron Pipe

    Hello. The toilet is connected into a cast iron waste/soil pipe O.D. 150mm. Apparently, this is an extraneous conductive part and is thus supposed to have a main protective bonding conductor connected back to the MET. There is a bonding clamp for 150mm O.D. pipes available. However, the pipe...
  4. R

    Light wiring

    I'm beginner and trying to relook my house how do I wiring this?
  5. J

    Bathroom extractor fan with continuous power

    This must be bread and butter stuff for any qualified electrician which I'm not so please bear with me. I've just installed a Nuaire extractor fan in the bathroom. It has continuous trickle mode plus up to 30 minutes run on timer but I'm unable to take advantage of these because the fan is...
  6. M

    Candle Led powered art by 5v cord ?

    Hi I have a led candle with 24 color remote I purchased off eBay. I took apart removed the insides it used 3 aaa batteries 1.5v each . I then took a cell phone charger 5v and attached it ! It worked ! Ant the application I used it on has worked the last 6 years and still works ! I feel safe but...
  7. T

    USB charging port problem

    I've got an issue with my usb charging port in camper. It lit up and when the phone is connected it shows itself as charging but it's not. It's not the lead, it's not the port either as we have tried another. What could it be? Its worked perfectly for 2 months until we charged Kindle on it...
  8. A

    help with wiring of timer

    Sorry for being such a simple question but just need help attaching wires in correct location. Right now have a simple off/on switch and want to replace with a timer. The switch now controls a light and it is the only one connected for it. so somewhat simple but.....I am just not sure on...
    • Amadauss
    • Thread
    • electrical wiring help timer wiring
    • Replies: 26
    • Forum: USA
  9. V

    220V AC Flow Control

    Hey there! I am kind of new into the AC/DC. My knowledge is mostly in the low voltage DC level. I am asking some of the specialists here. What IC or special wiring I need so I can be sure that 220V up to 10A can flow only in one direction, as shown on the image attached. Thank you in advance!
  10. W

    Would you extend this RFC?

    This is my first post so please be gentle! I've been asked to extend an RFC into an extension at the back of an 8 year old property. It is a TN-C-S supply with 2 RFC's, one for the Kitchen and one for the rest of the house. I've done some testing on the main house RFC as follows: r1=0.84 rn=0.84...
  11. J

    How to wire motor plug

    Hi everyone I purchased a bench polisher which looks to have come from China. It says its 220v single phase and should work fine in the UK. The power cable has 4 wires in it so I'm confused how to wire a standard UK plug. I have attached a photo of the cable. Any advice would be much appreciated.
  12. C

    Have I got a poor EICR?

    Please help a confused home owner. I commissioned an EICR on my recent house purchase. 1st electrician said "You don't need an EICR. You need an RCBO. Anyone who tells you it needs rewiring is wrong". 2nd electrician did part of the EICR & summarised "This property has many factors...
  13. J

    External wire box

    Hi all, We recently moved into our flat and I am looking to tidy up the maze of cables we have on external walls. We have a box with quite a bit of wiring (see picture) and I am wondering if there is any possibility to figure out if it is used for anything or if it is not in use and can be...
  14. H

    EV Charger Installation - Cabling Query?

    Hi, We had a EV charger installed recently over the past day ie 32amp 7.2kw. In the fuse cupboard I’ve attached before and after photos. I have a 100amp fuse for the house. For the new EV board setup, should the 2 grey cables entering the EV board (10mm) be the same 25mm thickness as the...
  15. J

    Another coding question

    What code would you suggest for uncovering a power circuit wired in copper cable less than the csa stated in table 52.3 provided the ccc of that cable wasnt effected. Thanks Judd.
  16. K

    Current Transducer Wiring

    Hi All, i'm new to the forum and looking for a solution to measure the operating current across the point machine. Hence selected the current transducer(to read in 4-20mA) as per attached schemtic. The required wiring terminal nos of the transducer is shown in the model diagram. i want to wire...
  17. Lister1987

    Guidance Notes Changes?

    Those that have them, Guidance Notes; how frequently are they actually updated (beside changing yellow to blue)? I'm seriously considering getting some 17th edition GNs as they're a hell of a lot cheaper than the updated ones; if the actual content isn't changed then I just might but don't know...
  18. N

    all in one electrical wiring help

    Hi all, I was wondering please if anyone could shed some light on how the electrics works for an all in one computer. For example a traditional desktop tower pc has it's own power supply unit and a plug into the wall, the monitor has the same and therefore two plugs into the wall are required...
  19. B

    Help wiring a ceiling rose

    In the room there is two holes in the ceiling Below is a picture of the first hole It only has two wires The second hole has one wire I think I am missing a wire for the switch? Is it possible that this old house only has 2 wires? When I turn on the electric, the light doesn't turn on There...

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