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  1. S

    LED bulbs on even when switched off at wall

    Hi all, I recently bought and moved into a house and set about changing all the halogen bulbs with 4W non-dimmable LED bulbs. Upon doing so I discovered that when I switch the bathroom lights off at the wall, instead of going off they just become about half as bright as they are with the wall...
  2. N

    size of earthing conductor from switched isolator to CU

    Domestic single phase supply, TNCS, 25mm tails. From supply to Fused switched isolator : Earthing conductor is 16mm. From isolator to CU : Earthing conductor downgraded to 6mm for what ever reason I don't know. Is there something in the regs that says after an isolator the conductor can be...
  3. R

    Hi. I have an outside light which has a switch just inside the hallway. I am adding 2 more outside lights to be switched on using that same switch.

    Hi. I have an outside porch light which has a switch just inside the hallway. I am adding 2 more outside lights to be switched on using that same switch. I have ran 1mm cable from the switch line and neutral & earth to the new light and continued that to the 2nd new light. When I switch the...
  4. H

    Curious problem - no power to switched toilet extractor fan

    Our toilet extractor has, or so I thought, been failing (delayed startup, bit intermittent) for some time, and yesterday it finally stopped working. Vent-Axia Silhouette 100T. It's going to be a bit of a pain to replace, so I though I would check the connections first just in case. Imagine my...
  5. U

    How do I change a switched plug to always hot?

    I am as newbe DIY as it gets when it comes to electrical work. Here is my issue at my home. I have a light switch which controls the recess lighting in the living room as well as all the plugs. A pretty poor design IMO especially since that room also acts as the TV/entertainment room. As of...
  6. Lee Gold

    3 plate method, loft light only turns on if bedroom light is switched off?

    I wired 3 plate method loft light from supplying from my sisters bedroom light ceiling rose, the only way the loft light I fitted tuned on is if my sisters bedroom light was off, so then I it was really bugging me I went back to my connections supplying the loft light at my sisters ceiling rose...
  7. W

    Can I add a switched outlet to an SAC

    I would like to know how to wire in a switch and outlet in my cabinet. Should I pigtail it after the GFCI? I would like to add a switch as well. Here is the wall, If I can utilize the outlet and add a switch here, wall access will be doable. . My original intent was to add a switched...
  8. F

    UK Led downlighting goes off when job switched on ?

    Hi all, I’ve changed a board and then some time later went back to replace a dimmer that had failed. I’ve got 17 fixed led down lights on a switch which I swapped out feed from a 6a on a split rcd with the induction job on the same rcd on its own 32a. With the down lights on, switching on the...
  9. S

    Non switched sockets

    Hello, we are in the process of trying to sell our flat, the buyer has had an electrical survey and the report stated that having 2 sockets without switches was against regulations. Is this true and if not can someone please point me in the direction of the standard that proves it is not true...
  10. H

    UK Lights going off when others switched on

    Hi. Hope I'm writing in the right place. Looking for some advice, before getting an electrician in. Warning a bit of a long story ahead. So we recently bought our very first house. An older building built in 1950s.At first everything seemed OK, and survey didn't pick up any problems with the...
  11. G

    Wylex cat no. 104 - 45 amp switched fuse replacement

    One of these: RS/104 | Wylex 45A Fuse Switch Disconnector, 240V | RS Components - is in my kitchen and recently got smashed by someone dropping a very heavy chopping board. The insides look ok but the housing is now useless. The switched...
  12. J

    Safety - does switching off at consumer unit isolate the circuit switched?

    I am not an electrician (as you will see from the question!) and I am not planning on doing any electrical alterations. My question is one of safety. I wanted to move a couple of sockets on a kitchen ring main. So I switched off that circuit on the RCD board and all the sockets were then dead. I...
  13. J

    Switched FCU in a bathroom?

    Hi guys, I've just had some refurbishment work done in my property and unfortunately the builders have run off. As a result the local building control department have had an eicr carried out and one of the points raised was the builders extended the ring straight into a shaver socket then onto...
  14. S

    Switched live from 2 sources

    Hi, newbie here, I'm currently doing my level 3. Is the following set up ok -? Outside lamp set up to come on with a PIR, but also want to over ride with a switch. Just not sure if it's ok to have the switched live from the switch 'livening up' the switched live side of the electronic switch...
  15. L

    what connection to make for the fan switched live wire in a fcu

    can anyone help with the connection for the switched live from the bathroom fan in this fuse box. it is the unconnected yellow wire with a red sleeve and i assume it goes into the top right OUT connection with the single red wire. Thanks in advance
  16. D

    Converting an switched outlet to a light

    I have an entry way that has 3 switches. One for the hallway, one for the front porch, and a third for a study outlet which is a room off the hallway. I want to convert the switched outlet to a ceiling light that I am installing in the study. I would like the outlet to always have power and...
  17. K

    SWITCHED FUSED Connection unit

    Hi looking for some advice any help much appreciated. My combi boiler is connected to a switched fused Connection box which has a 3amp fuse in it. Then a cable from the switched box went straight to the boiler I've disconnected the cable straight to the boiler and put it too a double socket and...
  18. O

    Wiring Kitchen Flush Ceiling Fitting to Looped in Double Switched Rose

    Hello DIY Electrical Forum I am at a bit of a loss to proceed any further than I have done so already with wiring a flush ceiling fitting in my kitchen to an existing twin switched rose. I have basic DIY experience and will proceed only as far as my ability allows and all work will be carried...
  19. C

    Power to tail light problem

    One of my tail lights remains on permanently. When l switch it on it turns off. The other tail light works as it should. Can someone please help?
  20. P

    LED'S keep tripping the RCD when switched off?

    Hi everyone, I have recently replaced 10 old strip lights in a church hall with new LED strip lights. I ran an insulation test and all seemed good. I switched them on and all seemed good. I had a call from the vicar to say that they are not working so went back to site to find the MCB had...
  21. W

    Volts drop when 2.5kW (ish) load switched on

    hi This is just a starter because I haven't done any measurements yet (I was a guest there) and what I can do will be restricted as this has never been thought to be a problem by the owner who is a relative, but I'm more concerned than he is by what I've seen. Background: modern hugely...
  22. M

    Do I Connect Clean Earth On Metal Switched Socket

    I’m replacing old plastic light switches and sockets for metal ones. I’ve gone with BG Nexus range but I’m a little confused as to whether or not I need to connect a wire to the clean earth connection. Looking at the wiring diagram it is not used. I know I need to run a fly lead from the switch...
  23. M

    Washing Machine and Dishwasher turning off and on when both switched on at the same time

    I have a Dishwasher and Washing Machine (both several years old) both plugged into a 4 way gang. They are on a 16Amp RCD with other appliances also on the same circuit. When both are turned on at about the same time, about 5 mins after turning on they will both turn off completely, as if they...
  24. M

    Led light goes dim when switched off

    I recently purchased a 20 watt led floodlight from b&q to put above my shed door.. Live, neutral and earth all wired up properly to the junction box. I switch the liget on and everything works fine but when I switch it off the light doesn't not extinguish it just goes dim so obviously it's...
  25. elpedro

    Is brown tape on switched live a legal requirement?

    Hi all, I've had a complete rewire in my house as part of a renovation. I've noticed two things that I wonder if they are in line with regs: 1) the electrician has not put the little bit of brown tape over the blue or black wires that are switched live. Is the brown tape just best practice or...
  26. Richard Cook

    Dishwasher needing switched off at wall to ‘reset’ before each cycle?

    I’ve got a dishwasher from IKEA (integrated into unit) and it’s under 2 years old. For the best part of since I’ve had it... when I go to turn it on it will beep (as if it’s picking up on the pressing) but it won’t show anything on the display etc. I have to switch it off at the wall and wait...
  27. J

    Switched FCU with LED indicator

    Hello all, Im looking advice. I'm a diy'er. I have just replaced an old double socket and switched fcu with new stainless steel ones. My previous fcu would have the neon light lit, when switched on. My new one has the led lit when either switched on or off. It's lap brand from the screw fix...
  28. T

    Kitchen appliances - grid or switched sockets

    Currently pricing up new electrics for a new kitchen. I am not a spark nor do I intend on doing the work - I am simply saving some time and money by speccing exactly what I want prior to getting quotes. I have the following appliances on dedicated circuits: Fridge freezer (fed from B20 MCB on...
  29. M

    Outside Led flood light has started to have a strobe effect when switched on

    Hi I have an led flood light just above the door on my shed. I went out to the shed tonight and as I switched on the LED flood light I noticed that it was acting out a strobe light effect. I switched it off then on again and it was strobing again... Anyone ever experienced this before and if so...
  30. DRM

    Spotlights tripping MCB when switched on

    Hello, my mate’s asked me to look at his spotlights in the kitchen because they were temperamental for a few months going off for hours at a time then coming back on and now they just trip the MCB as soon as switched on. They’re 12v spots. They were on a dimmer switch so I changed that first to...
  31. S

    Switched Neutrals or not

    This question is purely out of interest, I'm a substation apprentice while we do some LV installation work its not much and no design work fitting only. But today I've been helping a sparkie friend do some work(just attaching conduit to wall no actually wiring) for local community group. So...
  32. E

    Niche Lights -flashing like a strobe when switched on - guess needs replacing?

    Hi We have two alcoves with a downward niche light in each. About 4 years old. Pic attached. Both operate from one switch. One light is flashing like a strobe when switched on - guess needs replacing? Appears to be a solid unit rather than containing a bulb that can be replaced. No obvious way...
  33. FatAlan

    Dimmers on two way switched lighting circuits?

    I've installed a number of dimmable LED downlights switched two ways. They're switched by one dimmer and a standard rocker. When they are switched on with the dimmer the lights operate normally and can be dimmed however they seem to override the other switch which will not switch the lights off...
  34. W

    13A switched Sockets with USB, Do the USB sockets work when switches are off?

    Hi Are the USB sockets permanently powered irrespective of whether the switch is on? Anyone done any power measurements on one when nothing is plugged into the usb? Can they withstand insulation resistance tests? (if so up to what voltage?)
  35. J

    Weird IR results? At a Switched Fcu in RFC

    So I am doing an insulation resistance test on a new flat and I get a dodgy L-E reading on the IR. I won't go above 20Meg and it fluctuates. Identified where the problem is and its a switched spur. When cables are removed all test +299 including the load which is 2 sockets. When all are put back...
  36. P

    One Light Flickers When Another Is Switched Off

    Hi, as the title suggests i have recently replaced a circular fluorescent ceiling light in my bedroom, however the problem is this.... Whenever we turn the fluorescence ceiling light in my bedroom off the wall lights in my living room flicker once, literally just one flicker. No other lights in...
  37. C


    Hi Guys, I am currently getting a kitchen overhaul and want to install some unit/kick-board lights. I want to be able to control the unit lights with the light-switch which controls the down-lights in the kitchen ceiling. I have swapped the switch out for a double switch. The lights have came...
  38. Michaelwgroves

    Boiler Fused Connection Unit location

    I need to wire a new system boiler, the obvious place to put the supply is with the control unit which powers the boiler. But should the FCU be next to the boiler in the same way any isolation switch would be located close the load. This would still power control unit, but also need cable coming...
  39. Ian1981

    Earthing arrangements of switched alternative generator sets

    Regulation 551. suggests that when supplying earthing for a switched alternative generator that fault protection should not rely upon the TN building supply earthing ie an earth electrode would need to be installed for the generator. My question is should the electrode also be connected...
  40. S

    Inline fan switched from two locations

    Good evening all, Has anyone ever installed a fan like this before? The issue I don't know the best way to overcome is that if I wire each bathrooms SL to the fan it will back feed and turn the lights on for both bathrooms. The best I've come up with is 2x contactors - one SL to each input -...
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