when

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  1. B

    When swapping a mains powered smoke detector

    Only the head in this case. Is certification required? (Social Housing)
  2. A

    No LB when transitioning pvc up from trench into subpanel through wall

    I have an electrician installing new circuit from my existing panel to a new subpanel in my detached garage. The subpanel is in the inside wall of the garage. The installation is underground with 1.5" conduit. Instead of using an LB on the outside wall of the garage, the electrician heated a...
  3. HappyHippyDad

    When does 3 phase supply become 230V in domestic consumer unit?

    I went along this morning to quote for an EVCP install. I thought it was a domestic house but it was a B@B. It has a 3 phase supply. I always pass on commercial or 3 phase as it is outside of my remit. However, I am toying with the idea of fitting this EVCP IF I can fit it from a single phase...
  4. Msitekkie

    Why does RCD trip when fused spur switched on

    I was called out last night to an RCD trip issue. I found that switching on the fused spur to the washing machine would cause the trip & I could only reset the RCD after switching it off. Straightforward up to that point, but after unplugging the washing machine, then disconnecting the spur...
  5. A

    When is 3x80 amps 25kVA?

    Thanks for the interest in my earlier question. I have just paid my DNO a lot of money to install a 3-phase connection with a maximum load of 25kVA. Is my physics wrong when it tells me that when they fitted 80 amp fuses at the incomer I have 25kVA? I think it's wrong to multiply 230(v) x 80 x...
  6. O

    When to have EICR done?

    Hi, non-electrian here. Just bought a 50's house with old electrics. I expect everything will need replacing eventually, but I can't afford to have it all done at once. I imagine it's best to start at the supply and work out from there, so I think the priority is a new consumer unit - it's got...
  7. C

    3-way dimmer switch gets brighter when dimmed

    I installed a 3-way Lutron dimmer toggle switch in my basement to control 5 dimmable LED track lights, LED track lights slowly brighten to near 100% when I dim to around 50%. If I dim below roughly 25% brightness then they tend to keep their set level. Initially they worked fine. I installed two...
  8. S

    BMW Z4 e85 Brake lights/indicator on when ignition off

    Hi all, I have an issue with my brake lights coming on when I take the key out the ignition. Therefore running the battery down. The brake lights etc all work fine when running. I may have got a step closer to the issue with it being linked to the roof somehow but thought I’d Stick a post on...
  9. H

    Microwave warm to the touch when not in use

    Bit of a boring question here but nonetheless it is a concern of mine at the moment. We have a Sharp 800w microwave that is quite new. It gets very little use and today I noticed that despite it not being used, the top it quite warm to the touch. Can anyone provide some insight or advice?
  10. S

    Transformer rating when used as autotransformer ?

    It took me ages to find a suitable transformer that didn't cost several limbs, and while my load at the moment is well within it's rating, I'm curious as to what power rating I can assume for this setup. It's not too important because the total load I have planned on 240V is only 160W, so at...
  11. A

    Why are cctv installers not using the LSHF cat 6 cable when wiring domestic in Ireland. When wiring lights/sockets etc

    Why are cctv installers in ireland not using LSHF cable in a domestic situation as when wiring Sockets/ LIGHTS rtc Irish regs state thst LSHF CABLE must be used. If i am certing the rewire of house and cctv installer installs standard cat 6 ( not LSHF)Cable i surely cannot cert that house.
  12. 4

    LED lamp goes on then off when switched on

    Hi, I have recently moved and have the benefit if a garden office. Unfortunately what has now come to light is that it was not ever wired up properly. My present issue is with the wall lights. There are three SELV Halolite wall fittings but none of them was ever connected so today I...
    • 45140
    • Thread
    • lamp led led lamp off switched when
    • Replies: 4
    • Forum: Lighting Forum
  13. N

    When working on circuits do you isolate whole board or just the final circuits using MCBs ?

    When working on circuits do you isolate whole board or just the final circuits using MCBs ? Or is there any instances when the whole board has to be isolated even if you are working on few final circuits? Thanks.
  14. L

    Laptop shocks me when food grinder is turned on in kitchen

    Hi, Recently, I have noticed a very odd thing.. Need help from you guys. I am using my laptop which is connected to AC mains. I am also using my wired earphones which have some metallic parts like the volume control. Normally when I touch this metallic part of volume control or any metallic...
  15. G

    Hot IP66 Socket when using EV 10A Charger

    I use external weatherproof socket (IP66 20A 2gang ) for charging EV car, but noticed plug/socket gets hot. The charger is rated 10Amps. I checked cable connections on socket (& tightened) + checked EV charger 13Amp plug (and fuse) which look good. This is on a dedicated circuit with...
  16. D

    Power tool connected to a socket doesn't activate when power switch depressed

    Power saw connected to a socket doesn't activate when power switch depressed, but it turns on the light fixture in ceiling nearby while power button is depressed. Can someone point me in the right direction on how to correct this problem. Please let me know if you need any additional details...
    • Diyer008
    • Thread
    • ceiling connected doesn't fixture going light power socket switch tool what's when
    • Replies: 11
    • Forum: UK Electrical Forum
  17. A

    When can i learn more about wiring and electricals work of electroauto ?

    Hello everyone. I am new here and also i am new on electroauto carrier i like to fix cars and get more knowledge. I search in youtube but often there i found gurbage. I need a help to learn useful l thinks.
  18. littlespark

    When hobby and job mix......

    .... I add lights to my Lego.
  19. I

    Voltage measured when breaker is off

    Hi ther I'm fitting a new IKEA kitchen for my father and have insta Ed a new cooker switch. When testing with cooker breaker off I was sill seeing 9.6v on my multimeter. As I individually switched other breakers off I saw the voltage decrease witheach breaker till i switched off the main...
  20. J

    I'm currently trying to wire up a switch that power will be supplied to when i walk up to it using

    https://www.amazon.com/dp/B08K45TLD9/ref=cm_sw_r_cp_apa_glt_fabc_R7M9R2TTF55AQG1ZC7GW?_encoding=UTF8&psc=1 https://www.amazon.com/dp/B07N1QRVGS/ref=cm_sw_r_cp_apa_glt_fabc_M9DD8CGZ3PZAMSVEAB0M?_encoding=UTF8&psc=1 I think the problem I will have is that this sends a momentary signal. Is there...
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