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power

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  1. Qwe7410

    How to keep power trips isolated and not trip the whole place when testing faulty appliances?

    Having some 1400W 230V heaters to test and repair that have a power trip problem. I've unplugged all the connections and open them up one by one to identify the part that is causing the trips. Everytime it trips, it trips the whole place through the main circuit breaker. How can I do it safely...
  2. Richardcavell

    Backboxes and power sockets

    Hi. I live near Blackpool in the UK. I don’t know anything about being an electrician. I’m retired. I’ve asked a man who does home improvements to consider doing some work here. We’ve negotiated that I’m going to choose the hardware that gets installed. He is speaking as though he wants to...
  3. K

    Advise on how to route Power supply for UFH on concrete slab

    We are replacing the flooring for the whole ground floor - it is a circa-2000-build house with concrete slab. We're taking the opportunity to put in UFH at the same time. As it is a retro-fit, we are going with electric to keep the floor raise to a minimum. Going with 150W/m2 heating - which...
  4. P

    Power for new security alarm

    We are looking at getting a professionally installed alarm to keep insurer's happier, and that will need a power feed which (miraculously) we had always planned and the RCBO is in our TPN board ready for it. However, I would rather not have the installers working in there for various reasons...
  5. brixtonia

    Power meter for domestic immersion heater

    I'd like to track the power usage on my 4kw electric immersion over time. Can anyone recommend a relatively inexpensive 20A min meter which I can fit in line?
  6. London renter

    Adding power source to outdoor basement flat shed

    I have a dark dingy old Victorian coal storage area in the basement, just below street level, accessed via a gate and stairs to the basement flat. The sheds used to store coal but then became a bin storage area but the council won’t collect bins from down there anymore, so it’s just been lying...
  7. cliffed

    Power point in external glasshouse

    Client wants 2g socket in greenhouse, obviously IP rated,will be supplied from Rcd, the greenhouse consists of metal frame work on the ground. Does this require MPBC
  8. HappyHippyDad

    What sort of power do these wash loo's use?

    The customer wants me to supply power in the bathroom for a 'wash loo'. He doesn't know the exact one he wants but it will be something very similar to his partners, which he has sent pictures of. See below. I wondered if I can use the lighting circuit as it will be the easiest way to get...
  9. M

    Wire diameter for garage.

    I have purchased a property and need to run power about 50m to a garage. Planning to get everything ready so a sparky can just finish it off. I have 2 questions before starting project. 1. Will 2.5mm twin core+earth be large enough? 2. Can it run from existing garage or should I dig trench to...
  10. kreatiff63

    UK Creating a 2nd light switch from a single power source or an existing single light switch

    As the title suggests I'm short of power source options to take the power to the plate with 3 way switch (4 in the US). I've seen on youTube that it appears more popular in the US as an option, but there's none in the UK I can find. Does anyone have any experience of this type of connection...
  11. S

    UK Monitoring Power to Commercial Premises

    Hi there. Ive been trying to help out a customer of mine. They’ve got a pretty busy distribution system in the cellar of a pub and hotel. It’s a bit of mess. They want to split the bill as it’s now shared ownership. It’s in a cellar, so Wi-Fi isn’t great. Though we can get it there if...
  12. M

    Can I Do This? Power smart switch with no neutral.

    I've Seen this question asked and answered dozens of times. But never like this. I have a switch that requires a neutral. I do NOT actually have to switch AC power. Yes switch was designed to switch ACc but it's not nnessary for my case. My switch is just going to communicate over wifi to be...
  13. MattGSW

    Specification of cable to carry power over about 600 metres

    I want to run power to an endpoint about 600 metres away to power some security cameras and some power points. I'll be using a qualified electrician to hook everything up but I'm happy to dig/refill the trench and supply cable and piping as necessary. What kind of thickness of cable would be...
  14. T

    Power supply unknown output

    Hi, I have one of these power supplies..... https://tugadgets.co.uk/products/uk-power-adapter-1-usb-type-c-3a Can it power this light....? https://www.bhphotovideo.com/c/product/1568406-REG/on_air_7258_halo_light_3_in_1_10.html The PSU has a USB connection, and the light can "mate" with...
  15. A

    Laptop Power Supplies Trip RCD

    Hi, The RCD which protects my 16A ring main always "trips" when I plug/unplug a Laptop power supply. No other type of appliance causes a problem. I have 2 laptops with the external power supplies on leads which both cause this problem. I also have a similar 240v to 12v switching adaptor for a...
  16. murd_the_nerd

    1950s IM Power Relay Timer Help for Solenoid Valves

    Hi there Complete novice electrical wise. I am refurbishing an old 1950s Injection Moulding machine and looking to replace the Power Timer Relays. So far with no success myself and two attempts. It appears I need some expert help. I would love direction on the type of timer I need and a link to...
  17. B

    Unexplained power cuts to sockets.

    I would like to know if anyone else out there has encountered the very strange phenomenon i'm currently trying to deal with. The RCD on my 1990s bungalow recently began to trip-out my wall sockets at all hours of the day and night. my first thought was that I probably had a fault in either the...
  18. D

    3 Phase power keeps on tripping

    Hi Guys any advice on this one will be a major help. Was called out to a loss of power turned up expecting a breaker down as usual but not the case. so here goes the problem- an apartment block with 315 amp incoming fuses feeding 400 amp mccb set to trip at 220. This in turn feeds a rising...
  19. _q12x_

    240V indicator led at input of a power supply.

    Hello, I am the artist, (I'm not an electronist or electrician). I have a weird problem that I never encountered. I have a small power supply led driver for a power-led wall light. I want to attach an indicator led running at 240V to its input ( directly on the 240V wires). You can see the 240V...
  20. K

    Power inverter problem

    Hi, I have got this DC to AC power inverter that draws excessive amount of power when I start up a motor. The motor is a 1300W one and my other inverter draws 1800W on start up, the one with a problem takes 3200W. It's a low frequency inverter with simple power board and a large coil. I have...

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