query

  1. R

    Replacing outdoor lamp - wiring query

    Hi, would appreciate some wiring advice in replacing an old outdoor lamp with a Philips Robin 4.5W Wall Lantern with PIR. I believe the previous lamp had an override which meant it could be left permanently on which I'm guessing is why we have 4 wires coming from the house? I'm puzzled how the...
  2. D

    Query with 2 blue and brown wires

    Hi There I am a diy type of guy and I am changing a ceiling rose at the top of my stairs All others in house I have been fine with but this 1 is making me think twice and ask first, It currently has 2 brown and 2 blue wires plus and earth photo attached, And the light fitting has only 3...
  3. Spike1947

    Transformer rewind wire query

    Hi I have a Transformer, that needs a rewire on a Secondary windings, the wire that was on it, was a muti-core wire 9 strands, (0.06mm x 9) ( each strand enameled ), soldered together at each end, and laid on top of the primary winding with 175 turns, with a copper tape between the primary and...
  4. B

    Query about eddy effects

    So Allianz insurance inspector has pulled up a C3 ( I know it’s not mandatory) about magnetic effects from a circuit. so we have a small 9-way board with cables entering via galvanised trunking and thru 3 20mm couplers. They’re all single phase circuits but he’s highlighted one circuit that...
  5. C

    Switching sockets and lights from plastic to metal, earth wire query.

    Hi all, hoping everyone has enjoyed their bank holiday weekend. I hope this post goes in the right place as I've just joined. I'm looking to swap a two way light switch and two double plug sockets from bog standard plastic ones to stainless steel ones, the existing wiring (old colours) has an...
  6. D

    Failed EICR Query

    Hello all, hoping for a little advice from you kind people :-) My friend has been told to change consumer unit by the people who did the EICR, at a cost of £600, which i think sounds excessive. It seems to only need a new RCBO and blanking plate(s) fitted? I guess a photo of the existing unit...
  7. D

    Certification Query

    Hi there hope someone can help . what certificates I should be issuing if any for the following remedial works to a unsatisfactory EICR on a rental property : 1/ installing RCBO devices to replace MCBs to lighting circuits . 2/ changing a single socket outlet on an immersion circuit to a 20A...
  8. S

    Light switch wiring query

    Hey all.. Newb query but I've tried all combinations and no joy.. I'm refurbing a house and wiring seems to differ circuit to circuit.. I'm changing light switches in kitchen and corridor.. Both wired as found however now lights won't turn off at all.. Both rooms are 2 way and the kitchen...
  9. W

    Sockets wired in black rubber query

    testing a property there, the sockets were wired in black rubber 2 core with bare stranded earth coming into the boxes. Done all the Ring tests and everything was fine, continuity between all conductors and R1+R2 fine also. Just wondering is it safe because you got the 2 core cable without a cpc...
  10. J

    LED Bulb query

    Hi, Not sure if anyone can help but I have a bulb/lighting query. I've noticed my parents in law still have halogen bulbs on the main light in the kitchen. I was thinking of being helpful and swapping these for LED (warm white). I have attached an image of the current bulb but I presume I'd...
  11. V

    12v ride on modification query?

    Hey, im attempting to further modify my kids 12v quad and need some advice. I have swapped the original motors for a a pair of 65w 35000rpm 12 dc motors. Originals were 45w 12000rpm. Motors run and seem a lot quicker with the rear wheels off the ground however on the floor and under load have no...
  12. M

    Commercial Property Rewire Query

    Hi Guys Just thought id ask the question as I've been asked to rewire a commercial property, and I don't do much commercial as it always has to be done tomorrow. Anyway its a basic setup Ring Main sockets and LED Panel lights. However when I've gone to the board I can see its an old board...
  13. S

    TN-S earthing query

    Hi everyone, This might be a silly question but I have been asked to look at job where they would like a new garage supply, its a old property with the re-wireable fuse board but previously someone has tapped off the meter to an additional RCD unit which was used for a shower (no longer...
  14. D

    DIY buzzer alarm query

    Hi I’m new to the forum and have no electrical background other than changing plugs and light fittings at home. My house was recently targeted by burglars attempting to get in the house by snapping the lock whilst I was asleep. So I have had an idea to fit a solar powered PIR light pointing...
  15. T

    Outdoor Lighting Query

    G'day. I've built a pergola in the garden and existing outdoor lights are for the bin. They are RCD protected mains wired, with a switch in the kitchen, pretty much standard PIR and GU10 type fittings: Looks like this What I'd like to do is replace this fitting with some 'festoon' lighting...
  16. L

    Cable query

    Hello, I know that for 4-20ma transmitters twisted pair cable should be used with the screen grounded at one end only. However for digital signals ( limit switches , push buttons ) can 2 core/ part of a multi core cable be used ? Thanks
  17. R

    Wire gauge query when doing relay conversion for headlights

    Hi All, The headlight (Dip and especially High Beam) on my motorcycle, is know to be able to be greatly improved when converting the wire feed instead of being via the switch, over to a more direct feed via a couple of relays. At the same time instead of the 18 gauge wire via the switch being...
  18. T

    Consumer unit query

    My parents have been having trouble with their electrics recently. They had their house refurbished a year and a half ago and discovered some pretty awful DIY wiring from the previous owner so had a significant portion of the house rewired as part of the work. Despite this, they have been having...
  19. Dave Appleby

    Commercial site query.

    Sorry for a bit of a long question. For what it's worth this is Scotland. I have been asked to quote a very large job in an old commercial office space. Site is being taken over and converted to a community church. Work is of a large scale, removing a lot of wiring as multiple walls being...
  20. B

    Alternator Electrical Query

    Hi, When testing the diode on a car alternator all the tutorials state place a multimeter to diode setting, place the + cable to the casing and the - cable to the battery post ( B post) and you should get a reading of .5v to .8v. Swap the cable positions i.e. the - cable to the casing and the...
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