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weird

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  1. Mark42

    2 x Main 2P RCDs in Split-phase DB: Weird tripping behaviour.

    Two phases supplying two 2-pole RCDs in a consumer unit reconfigured as a small DB (with an external 3-pole main switch). Common Neutral. In an outbuilding supplied by 10mm 4-core. TN-C-S ‘exported’ from main house by 10mm bonding. Local TT as an option in progress, awaiting tests before...
  2. G

    Help needed weird problem

    In need of advice . I installed a new kitchen ring main and tested everything is fine 0.68zs. Ir test all 299. But sometimes when u turn on either the dishwasher,washing machine or tumble the rcd trips.sometimes the tumble and washing machine will run for 2hours without tripping but other...
  3. S

    Weird Rcd Issue

    I've noticed on a couple of ocassions now. That my Type s 100ma rcd will somtimes trip before either of my 30ma rcd. CAN some one tell me why this may happen?
  4. M

    ANOTHER WEIRD ONE!!!!High ZS readings

    Hi There, We have just been testing a job that is coming to a close. The job is a detached bungalow out in the sticks. The supply comes down overhead lines then down the column, then underground into the property. Im pretty sure its a PME system. My end to end readings on the ring mains are...
  5. Dean Williams

    weird lighting fault

    Hi folks while testing this theatre, i attempted to get a Zs from an emergency exit sign. The steel conduit is being used as cpc. when i connect my three probes to l,n,earth i'm getting 110v on the screen and when i press test it comes up with about 160 ohms. i put a voltmeter across and found...
  6. M

    It's a weird one......

    Ok guys. I just received a text from a friend and I'm just going to copy and paste it.... "The other day the computer kept going off and then the light and computer were goig off together and then on again and now it's done it again" "It's the light above the workbench so there not that close...
  7. T

    Weird test results - help!?

    I'm a new sparky, in the process of doing two jobs so i can get assessed by NICEIC. Thought i'd start with a (straightforwards!?) swap of my old C/Unit at home for a nice new 17th Ed one. All went fine, but now I'm struggling with the certication because the test results are not as expected...
  8. S

    megger 1552 weird display

    Hi tried to do a Zs at a house today and my meter displayed "fus" NEVER seen this before. Not in the manual. Not the fuse symbol because thats ...different. Can anyone shed light? The funny thing is I have not used it since it was calibrated last week.
  9. M

    heres a WEIRD one

    Here goes dont know if Ill manage to describe this one I found today Ill try n post picture later Arrives on site have a general swatch round looks in no bad nick .Nice new tails Old M.G db no chart but pen on the lable so a guide Opened up the DB and the dodo appeared Old M.G. dbs dont...
  10. R

    Weird one - shower ring distribution spur effort???

    Came across an odd one today, a ring of 6mm (or infact just two lengths of 6mm) coming out of a 40a breaker in the cu, going upstairs to a modular enclosure and into another 40A breaker (like a fused spur I guess) and then 10mm going out to the switch and then to the shower. Is there anything...
  11. C

    Dimmer switch being weird

    Ok a couple a months ago I wired a wine bar, and the main area lighting is controlled by a 450 watt dimmer with a load of about 300 watts of standard elv downlights. All well and good. Just got a call from the client who says that when they dim the lights, they gradually increase in brightness...
  12. P

    weird problem on lighting in commercial offices.... HELP!

    Ok.. I got called out to a job this morning which was in a small office building.. When i got there the customer told me that he went in early.. Turned all the lighting on as he normally does and suddenly all the lights started flicking on and off. All the lights (15) are 5ft compact...
  13. B

    weird IR test results with RCDs

    Hi guys, I'm doing some revision for 2391 and I've built a test rig to practice on, just one radial (lights) and a ring. The testing was all going fine until the IR tests. Results were as follows Whole installation: R1 to Rn = 0.13MOhms:eek: (R1+Rn) to R2 = >299MOhms R1 to R2...
  14. T

    Weird!!!!!

    Hi I had a call out tonight where the tenant said she was getting a shock from her hot and cold taps and also her sink in the kitchen.Her worktop had been changed today and when I looked under the sink the usualtrend of joiners/plumbers of cutting earth cables had taken place.the pipes where all...
  15. Doomed

    Weird Jobs

    OK, what is the oddest job you have had? I have just been asked to rewire a christmas stocking.... (It will be part of a shop window display that I am having to supply a feed for, it is normally only battery powered, but they dont want to be disturbing the display to change batteries)
  16. E

    really weird problem... :(

    Im sorry if i have posted in the wrong section, but i wasnt able to find a better one... And im also sorry for taking up your time... Please excuse my English...It isnt very good.. :( My problem is this: I have bought a TV card for my computer and tried to connect the antenna to it...
  17. B

    weird problem

    now then... went to a job today got there lady said to me some of my lights stop working then come back on a few hours later. different room lights only one at once never 2, hmm so all the lights are standard pendants, looked at all the pendants wiring looked ok tightened a few up they were...
  18. I

    weird fault

    Hi guys hope you can help me resolve this weird fault. Was called to a fault earlier, a bloke had removed a socket and one of live conductor broke as it entered the box, anyway sorted that, but while I was repairing the fault the downstairs light MCB (5 amp 3871) tripped. I thought a lamp had...
  19. N

    weird light wiring

    Hi all, Firstly I'm not an electrician but I have done small bits of diy electrical work :) & am hoping that somebody here, may be able to help/explain something I've come across while refurbing a second property. While swaping the plastic double switch for a chrome one I noticed that the...

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