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  1. L

    DIY Halogen to LED Standard Lamp

    DIY Hi to you all and thank you for allowing me to post on your forum and for taking the time to look. I haven’t been able to find the answer anywhere. Hopefully the pictures will help they are in order and show my old lamp that I like to use to read and sew by when the light is poor. I would be...
  2. K

    IEC 61439-1 - Relationship between prospective fault current and diameter of copper wire

    Hi, I am currently reading through the standard IEC 61439-1 - Low-voltage swtichgear and controlgear assemblies - Part 1: General rules, and on Table 14 it is stated the "Relationship between prospective fault current and diameter of copper wire" (see picture attached). I don't understand why...
  3. B

    Can't find this standard ceiling plate anywhere

    Hello. I hope everyone is safe and healthy. Please see the attached photos for reference. I have a ceiling with a junction box or maybe it should be called a "junction circle/box" - photo #1. It is 3 3/4" in diameter. This is where I want to mate my fixture displayed in photo #2 which is 5"...
  4. R

    Changing thick cooker wire for standard plug wire at socket

    Hi I am attempting some DIY I had the wire installed as I was going to have an electric cooker. This changed and I now just want to put a double switched socket in the hole. Could someone please tell me how I can convert the wire so it is smaller and fits in the back of a standard switched...
  5. S

    Timer needed, but not the standard one

    Hi, I'm trying to get a timer that runs off mains, but where the clock trips a separate independent circuit. Everything online seems to be based on the timer letting the mains through rather than tripping an independent circuit. I've tried googling it, but can't come up with the right phrase to...
  6. J

    How not to standard is this rewire?

    Hi, My son has just (last week) had a rewire done on his house in Leyland. He has just bought the house but a "domino" type consumer unit was spotted and so a rewire was deemed necessary. He wanted to move in with his girlfriend and 2 month old son as quickly as possible so phoned a website to...
  7. K

    Replacing a standard slimline GE breaker with AFCI on a mulit-wire circuit

    Hi all! I am new to this forum. I will be updating an electrical 20 amp circuit from a home built in the early 80s. Since I am modifying a circuit, the NEC requires that I update the existing circuit breaker with an AFCI. As you know, the AFCI is twice as wide as the existing slim line GE...
  8. D

    Do Quintec wireless switches / drivers meet BS EN standard, in new build extension for certificate

    Do Quintec wireless switches / drivers meet BS EN standard, in new build extension to the house for certificate. Thanks
  9. R

    wire sizes - what is standard

    hi all. I am new here and am doing some work on my house. I have a question regarding wire sizes; As far as I was aware the sizes are 1.5, 2.5 then 6.0 etc (I am assuming this is the area of copper) however I have just come across 4mm. dia. in my house. Is this an old standard no longer used ?
  10. baldelectrician

    Is this the standard of workmanship others see all the time?

    Went to replace a cooker hood yesterday and found this whilst looking for the cooker hood isolator This had been left like this - and they had a certificate The one below was from a house where the agent paid for a refurb and they left a unit with tape instead of blanks
  11. F

    Hi guys, I am interested to buy BS 62305 a standard for lightning design and assessment.

    Hi guys, I am interested to buy BS 62305 (a standard for lightning design and assessment calculation for building). How can I get it and what will be the price. Thanks
  12. MWhale

    NFPA70E battery 100 VDC vs OSHA 50 volt standard

    I just finished the NFPA70E 2021 online training. As far as I understand it the NFPA 70E is OSHA compliant but, I feel like the guidance between them disagrees when it comes to the shock hazard of DC batteries. I work with EV type battery systems 28V to 800 V so, this is important. OSHA general...
  13. P

    UK Help replacing a timing switch for a standard switch

    Hi, I'm a DIYer needing some advice to change a noisy timing switch for a bathroom towel rail to a standard switch. The timer currently installed is a "Trac GP 24/7 & GPE" and has 4 wiring connections- live output to appliance, link to a switch, live from mains, neutral from mains and neutral...
  14. A

    UK Replacing standard switch to smart switch

    Hi, I am looking to replace my bathroom switch in my flat for a smart switch. The switch controls 4 downlighting and the extractor fan. The extractor is also controlled from a separate switch in the kitchen. I.e two ways below is picture of the old switch wired up. Supply side has 3 brown...
  15. S

    Standard meter in place of keycard

    Hi all have a customer moved house and there is a prepayment meter - signed up to new tariff and said they would fit today - didn’t arrives and when he called supplier scottish power said they dont fit standard meters - and where he lives (near town centre Dunfermline) smart meters can’t be...
  16. V

    UK 3kw constant load on a standard plug socket

    I'm charging a PHEV from a standard plug socket, and it works. However I purchased an extension and the standard plug going into the socket has melted... it got a bit too warm for a bit too long. Are there recommendations of specific plugs and cabling that could take 3kw comfortably for...
  17. S

    UK Second empty meter cabinet for a consumer unit to feed several garden circuits. Can a standard metal csu be fitt

    I have a customer who has installed a second empty meter cabinet for a consumer unit to feed several garden circuits. Can a standard metal csu be fitted in here, does it have to be in an ip65 enclosure also or can a ip65 plastic csu be used. I get csu has to be non combustible within a dwelling...
  18. E

    Will any suppliers still fit a standard meter?

    I'm a homeowner. My flat came with a prepayment meter. I was due to get it changed by Green Network Energy. I even specifically chose them because they would fit a standard meter and not a smart meter... Anyway, Covid and a company going bust later I still have a prepayment meter. I'm with...
  19. G

    Standard switch to dimmer switch change

    I am trying to change over a standard switch to a dimmer switch, please see images attached, the current one is the image with the wiring in, and the new switch is the one with the blue boxes, please can someone help me to wire this onto the new switch, i have tried it already, but it tripped...
  20. B

    UK Anybody know what a good standard TT connection point should look like? Is this dangerous?

    Would this TT connection point be at the stage where it needs repair? Under UKPN control.

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