switched

  1. M

    Replacing PIR with switched live

    Hi. (I hope this is the correct forum - first timer looking for advice.) I want to replace an existing security light with a new one. The existing light has a switched live, allowing it to be switched (from a 1-gang 1-way wall switch) either so that it is permanently on or so that the motion...
  2. S

    Voltage between earth and switched line terminal on one way light switch

    After installing some LED fittings in a bathroom and disabling an electric shower circuit I carried out a check on the whole installation. All fine until I used my Di-LOG probe to probe the switch plate screws to check that I had not pinched any live wires in the light switch back boxes around...
  3. N

    Emergency lighting on contractor switched lighting circuits

    I have been asked to get the emergency lighting working at a nursery. They had a switch put in at the entrance to the building that switches off all of the lights in the building when they lock up at the end of the day. All lighting circuits are hanging off a contactor connected to this switch...
  4. E

    Would this work...?!

    I am planning to have an external PIR powering 3 soffit LED light fittings. Here's where it gets (mildly) interesting, client wants there to be two options, to have them permanently on or to have them just on the sensor. The way I have first fixed this is... (CPC omitted for clarity) Perm L...
  5. U

    WANTED: MEM TP&N 63A Switched Fuse

    Hi, Looking for a MEM TP&N 63A Switched fuse including fuses. Please contact me if you have one, need one sharpish! Thanks,
  6. U

    MEM TP&N Switched Fuse Question

    Hi, I have a 32A TP&N MEM Switched Fuse, I really could do with a 63A. Question, can you just change the fuses? Or do I need to buy a whole new unit? If need a new one, is anyone selling one? Also, I have 10mm tails into the 32A unit, can I get 16mm into the 63A does anyone know? Cheers.
  7. U

    First job of the day, Jeepers!

    Hi, 08:30 this morning, plugs not working, ive been decorating and pulled plugs forward... Yeah ok, be there shortly... Every socket in the house was pulled forward, all on radials, only one leg in every socket, so probably mounds of junction boxes under floors. I said hmm, probably just...
  8. S

    Switched fused spur off ring main for electric fire and LED strip

    Hi Ive been searching everywhere to confirm with regulations that you are able to install a fused spur outlet off the downstairs ring for an electric fire (which is only to be used for the flame effect it provides not for heating as have central heating) and a LED Driver for a strip light...
  9. S

    LED FLOODLIGHTS Causing flickering when switched off

    Can any one help and give me some advise please :) I have a lighting circuit which as a pir sensor on, a porch light, an led outside light and a halogen outside light. I wanted to replace the oitside halogen light for another led outside light. So I did and now all the lights flicker when...
  10. W

    Led downlight problem

    Customer has a movie room in their house 2gang dimmer switch with 4x 9w led downlights on one dimmer and 2x 12v halogen wall washer downlights on the other dimmer halogen has standard dimmer switch and leds have appropriate led dimmer as recommended with fittings no problems with dimming all...
  11. S

    Touch/Remote Master/Slave dimmers 2-way wiring

    Hello all, in need of some advice. I have just installed 14 downlights (two circuits of 6 and 8) in what used to be a living room and dining room - the wall has been knocked down in between the two and rsj put in. I have wired for 2 gang two way switching at either end, so either side of the...
  12. P

    RCBO keeps tripping - without explanation

    The wiring in the house is split into separate circuits each with their own RCBO for 3 for lighting (separate for ground floor; upper floor; and basement) 3 for power (again as above) 1 for cooker 1 for shower 2 for fridge/freezers The problem exists only on the ground floor power circuit...
  13. T

    Light switch

    Hello everyone, I want to build a lamp with 2 different light bulbs. There can only be one light bulb switched on because otherwise the driver will become way too hot. So I want to make a switch that immediately switch a light bulb off when the other one is switched on. As you can see I don't...
  14. I

    RCBO Tripping on Sockets circuit when Down stairs lights are switched on

    Hi hope somebody out there can help me on this one , Problem Recently i installed 3 downstairs rooms with downlights, not had any problems when installed. When the downstairs lights are switched on the socket RCBO ois tripped at the fusebox , the lights stay on plus the RCBO for the...
  15. R

    Switched fused spur used as throughway for control wiring

    Ive carried out an Electrical condition report recently and found that the main switched fuse isolator for the installation has control wires running through it from a control unit mounted above the isolator to contactors mounted below the isolator. The control wires are 230V. Im sure ive read...
  16. S

    New member, Hello I have a headlight relay? problem.

    Hi there, I'm Steve from Cumbria, just joined. I usually mess about with vintage radios and the like, but my Rover Metro has just started playing up and I thought I'd ask for advice before replacing any parts willy nilly. When I switch the headlights on, the dipped beam...
  17. S

    3ph 100amp sw fuse

    Apart from being the ultimate rough git, is there any electrical reason why i cart take the supply to the top of SW fuse instead of the bottom? (Cable lenth/space issues) I feel im missing something bloody obvious but i don't know what. Cheers Joe.
  18. N

    Two Way Switch Sleeving

    I have loosened off two, two way light switches to wall paper and noticed that on both only the Black switched live had a piece of insulating tape wrapped around which had partly come off, the Blue and Yellow have no tape attached, is it ok to just replace the tape on the Black switched live or...
  19. J

    Switched Neutral: When to and when not to.

    Guys, it's a question that raises its head every now and then and the web references only ever seem to direct towards much plagiarised versions of the same paper that explains a little (but nothing) about relying upon the earth connection on the other side of the switching device. Can anyone...
  20. L

    Britannia S1-E10T Main Oven Tripping RCD

    A customer has a Britannia range cooker which trips the RCD everytime the main oven is switched on. At first the problem was intermittent and progressively worsened until now it happens every time the oven is switched on. The RCD trips even with the oven temperature setting on minimum before the...

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