Recent content by stalkera

  1. S

    Rako lighting systems

    Thanks for your help on this plugsandsparks and AVO (I think my old man has one of those in the leather case somewhere - from the time when lights were lights), much appreciated. I'll let you know how I get on.
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    Rako lighting systems

    There isn't much space in the ceiling void height (hence I suspect the original use of MR11s) - also the lamp wiring isn't earthed, does this matter if I upgraded to 240v GU10s (ex bathroom)? I was leaning towards the dimmable 12V driver and leaving the lamps in parallel - but as you mentioned...
  3. S

    Rako lighting systems

    You are correct, it is the MCB that is tripping - there is an RCD upstream, but this seems to be fine. I do have the project file, but the website only allows JPGs (I did rename - but it rejected the whole message!). Each zone/circuit has its own transformer (powering several lamps) and its...
  4. S

    Rako lighting systems

    Yes. Correct re the MCBs blowing and it being a sub-board off the main RCD unit. The lamps are 12v retrofit MR11s and hence need the transformer (one per circuit each with around 9 lamps), there were halogens previous and hence the transformer is a bit over-clubbed for the LEDs. There is one...
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    Rako lighting systems

    Hi Avo Mk8, thanks for joining in here. You are correct re the MCB - and it is the unit 1 switch that is tripping. There is an RCD upstream of this but this is not tripping. I will try Rako, about known problem with old skool toroidals. However the "boxes" have WML-300 dimmers (for leading edge...
  6. S

    Rako lighting systems

    Hi, the real fuses are in the transformers, you can make them out at the top of the case 3.15a slow blow. Its the RCB that runs the Rako boxes that is tripping. I wondering if it is the indictive load that is blowing the fuses when RCB trips?
  7. torroid.jpg

    torroid.jpg

    • stalkera
    • Media item
    • Comments: 0
    • Category: Lighting and Light Fitting
  8. PXL_20231203_093505226.jpg

    PXL_20231203_093505226.jpg

    • stalkera
    • Media item
    • Comments: 0
    • Category: Lighting and Light Fitting
  9. S

    Rako lighting systems

    This is system - I think its fairly new. I realise that there are several (8?) modules per box - but I don't think this is the problem as several circuits started doing this at the same time after being stable for well over a year. The lighting is well spread out over the circuits, but several...
  10. PXL_20231101_115920347.jpg

    PXL_20231101_115920347.jpg

    • stalkera
    • Media item
    • Comments: 0
    • Category: Lighting and Light Fitting
  11. S

    Rako lighting systems

    Thanks for coming back on this. 1st I agree, they do have good tech support. I think this is more of a man on the ground type job. Basically I keep get fuses blowing in the old style toroidal transformers (though the lamps are LEDs) and the RCD trips. Though I don't know if the blown fuse is...
  12. S

    Rako lighting systems

    Any of you guys and girls out there work on Rako lighting systems?
  13. S

    Registered here to ask about electrician who can replace Helvar

    Afraid not. Has been radio silence my end Please let me know if you find anyone. Cheers Andrew
  14. S

    Electrician Jobs Looking for an electrician in East London to update Helvar system

    Sorry - having a few problems navigating the site. Pics of the existing system attached. Upgrading because very temperamental with LEDs and, whilst I understand they are programmable, it is set in a simple dimmer mode and I think its a fairly specialist task to change this. I'm not wedded to...
  15. S

    Electrician Jobs Looking for an electrician in East London to update Helvar system

    Looking for someone to update Helvar system in East London.
    • stalkera
    • Thread
    • electrician electrician job helvar london looking source system update
    • Replies: 3
    • Forum: Electricians Jobs

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