lighting circuit | Page 10

lighting circuit

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  1. S

    Testing RCD on a lighting circuit

    How are you ment to test the rcd of a lighting circuit if you can't test when it's live am I right in thinking you can just use the same figure as on the socket side as it's the same RCD thanks
  2. Sonia Norman

    lighting circuit

    Hi I'm a recently qualified electrician and my mind just can't completely solve this one. My relative in scotland has had their house rewired. when you turn the bathroom light switch on the two bedroom lights go off and the switches in the bedroom won't work. When you turn the bathroom light...
  3. B

    MCB tripping on lighting circuit

    Hi Two lighting circuits (A&B) side by side, each feeding 1 gang of 2 gang switch, then onto lights. circuit A works fine. circuit B works fine if mcb A is off...MCB B holds ok if MCB A is on until light switch turned on for circuit B. Yet to look at this job but thinking must be short...
  4. Z

    13A Sockets on lighting circuit

    So I have just been to my friends new build house, on looking round I noticed a bank of 4 switches in the lounge, only one of which turned the ceiling lights on? When I inquired to what the other three did, he replied the electrician had wired them to 3 x 13A sockets around the room for them to...
  5. P

    Lighting circuit loops in the home

    Hi, Looking for some advice please. 2 years ago we had an extension completed. Today I have gone to change some light switches in the extension and found that one 2 gang switch has been used with a permanent live coming in to switch one. This then has loop one piggybacked from it. Loop one...
  6. matt1386

    Tripping mcb - lighting circuit

    Morning guys, im looking for a bit of advice please A friend of mine has rang me asking if I could have a look and see if I know why their lighting circuit keeps tripping They know my situation ( a trainee ) and ive explained I will have a visual look and see if I can notice anything obvious...
  7. W

    Puzzle over a lighting circuit with no CLC

    Wonder if anyone can help my poor brain on this one... Situation..domestic, house, 1955, full of every single elec DIY nightmares courtesy of owners in the 90s. Lighting circuits have no cpc, but in doing a DIY attic conversion at some point, previous owners put pretty metal lights up and a...
  8. S

    earth loop testing on a fluorescent lighting circuit

    Hello Gents, I have to carry out an earth loop test on several fluorescent lighting circuits, can anyone advise of the least intrusive but quickest means of carrying out these tests. Thanks Sparky 63
  9. S

    bizzare Line to CPC fault on lighting circuit

    Hi people Maybe somone can give me some pointers, Generally with faults i'm pretty good but this one has got me stumped! I was working in an old house that the owner required some modernising, so we did a kitchen and moved and added few lights and switches around as you do. The board was an old...
  10. sam400

    lighting circuit Query

    Hi all first post on this forum,would like some advice I am just changing some light fittings in a 60/70s bungalow and the lighting circuit is wired in twin cable, the CPC for each metal light fitting is nicked locally from various JBs throughout the loft, I imagine I will be fitting class 1...
  11. C

    Lighting Circuit Problem

    Hi All, Just returned from trying to locate an issue with an upstairs lighting circuit - with the circuit L/N/E disconnected from the board and breaker I get he following readings:- (a) Type 2 Insulation Resistance Test = 49.7 taken at 250V (b) Voltage reading on the (dead) circuit of 3.5V...
  12. ray-bentos

    Continuity on lighting circuit - weird results?

    Hi Running a quick test on a lighting circuit today, was doing R1 + R2 on downstair lights. Everything seemed OK, but upon trying to prove polarity by using switches obviously upon switching off the circuit goes open but when tried switching on again and testing again I got a wildly...
  13. N

    Lighting circuit MCB size

    Hi all, if using 2.5mm can i put a 16A MCB on a lighting circuit? never needed to before so a little unsure, but can't remember of they're limited to a certain amperage. thanks
  14. A

    Lighting circuit - is it allowable to have two branches from the distribution board

    Hi, Quick question. If the consumer unit is located near the middle of area to be served by the lighting circuit, is it allowable to run the circuit as two radials from the same RCBO, one running in each direction? Thanks, Tony S
  15. L

    lighting circuit need rcd protection?

    Hi guys, Just wanted some advice on this. I have a CSU at home with RCD in protecting ring main and boiler immersion socket. What i want to do is change the pull cord in my bathroom, but that circuit is not protected by RCD, just a MCB. (BS3871) If i change the pull cord, does that lighting...

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