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  1. yellowvanman

    RCD tripping

    Email from customer: Our Solar PV installation is protected by a 30mA RCD in it's own CU which regularly trips during the morning inverter startup at this time of year (when the roof is persistently very wet). We have a transformerless grid-connected Power One Aurora inverter, and I...
  2. yellowvanman

    help - lamp type

    Got it: GX53
  3. yellowvanman

    help - lamp type

    Small ceiling light, but have come across these lamps in brick lights as well.
  4. yellowvanman

    help - lamp type

    had a problem with a not so common lamp and left it on-site when i wanted to take it to the wholesalers to get a replacement, I hope someone can identify the type from my description: Looks like a ice hockey puck Has 2 pin similar to a GU10's More than 50mm in diameter the version I had was...
  5. yellowvanman

    Why is a cooker circuit generally 6mm and 32a

    I think the use of 6mm for 32A cooker circuits is historical. In the days of BS3036 re-wireable fuses, only 6mm met the extra current carrying requirements associated with those fuses. The relevant reg nowadays is 433.1.101 (only got green book indoors, so maybe slightly different number in...
  6. yellowvanman

    soffit lights

    Anybody recommend soffit lights that fulfills the following criteria: LED No bigger than 80mm outside diamater Driver etc. needs to be able to enter through the fittings hole - just in case it needs changing - no access above soffit once job is completed - got access at the moment until ceiling...
  7. yellowvanman

    Stacked CU's

    Got metal hinged doors
  8. yellowvanman

    Stacked CU's

    If your close to Dorset could sell you mine! Was too tall for the job I had in mind and Wylex wanted 20% restocking charge, so keeping it and see what turns up! 18 way with 3 RCDs.
  9. yellowvanman

    Stacked CU's

    Well that is not true because I've got 1!
  10. yellowvanman

    Replace Night Storage Heaters

    Coming across this situation more and more recently. Get rid of Economy 7 meter, change all off-peak outlets to 'peak' and install an electric radiator. There are loads to choose from but this is as good a place as any to start: https://www.heatershop.co.uk/electric-radiators
  11. yellowvanman

    Stacked CU's

    http://www.electrium.co.uk/media/20150323160435_0_Wylex_NM_Metal_CU_catalogue.pdf Link to Wylex catalogue. I recently got an 18 way board and found it wouldn't fit in the space I had! Wylex wanted 20% re-stocking charge, so waiting for another opportunity!
  12. yellowvanman

    Changing 12V Downlights to GU10 LEDs

    Does anybody here have issues with changing 12V lamps to GU10 LED lamps in the same fitting? Obviously involves taking out the transformer, changing the lamp holder and putting the fitting back. I only ask because: a) The tin cans usually have a label that says 12V b) The tin cans are not...
  13. yellowvanman

    what code

    Prior to the 17th Ed, installing showers without RCD protection didn't violate any regs. Best Practise Guide states that: Absence of RCD protection for circuits of a location containing a bath or shower where satisfactory supplementary bonding is present - C3. C2 if unsatisfactory/no...
  14. yellowvanman

    nic epic sign up

    No they don't, haven't got anything in place to monitor this. I know because I was late once and nothing happened, discussed with assessor and he said something about they haven't got authority to 'penalise'.
  15. yellowvanman

    Lower r2 end to end reading than r1 & rn

    Could be! eg. you have 5A lighting sockets and ring main sockets fixed together. So if the metal back boxes are earthed by their respective cpcs, from one position to the next will be 2 cpcs in parallel. You could also measure r1, rn and r2 at a socket location, and you might get different...
  16. yellowvanman

    Lower r2 end to end reading than r1 & rn

    Parallel paths probably!
  17. yellowvanman

    bad day at the office

    Went to replace a 4 way Wylex consumer unit today. Easy peasy - wrong! When dismantalling the CU was testing as I went, on ring r1 was approx 300 ohms, rn around 600 ohms. Spent some time trying to find the problem without raising floorboards etc. and the problem seemed to be between the CU...
  18. yellowvanman

    error4 on fluke 1651b tester

    Don't have the manual in front of me , but when measuring Zs and putting leads on phase and neutral display shows Error 4 until I put the earth lead on. If I stil get Error 4 then I start suspecting there is no earth! If its your leads I would expect the zero'ing values to be changing. If...
  19. yellowvanman

    Radio interference from LED lamps

    Switch not changed. Would it make a difference when changing from standard tungsten lamps to LED?
  20. yellowvanman

    Radio interference from LED lamps

    Just replaced some kitchen light fittings with fittings that have GU10 led lamps, now when the lights are on and they are listening to Radio 4 the radio crackles! Radio is about 2 meters from lights! No dimmer involved. Any ideas on how to fix. Just going to email Ledhut as well as that is...

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