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Recommended Posts

Posted
1 hour ago, ggrizliv said:

No problem :)

 

@ggrizliv , im not trying to split hairs here but it doesnt make any difference if you have a single or two pole MCB its still dangerous and illegal for the same reasons ive stated. You are still going to have a live light neutral when the 10Amp light MCB is off . Your also going to have a lighting cable rated at 10 amps protected by a 16 Amp MCB. I suggest you get a local Electrician.

 

  • 2 weeks later...
  • Topic Author
  • Posted (edited)

    I found solution with my problem and works great. I just add inpulse relay between switches with indication lamp and fibaro relay and indication lamp glow in the dark :)

     

    And I resolve my problem with two phases too. I put one small relay between and work now very good for me :) So, light are on 10A fuse, as they must be (wires are 1.5mm2) :)

     

     

     

    Please login or register to see this attachment.

    Edited by ggrizliv
    Posted
    7 hours ago, ggrizliv said:

    I found solution with my problem and works great. I just add inpulse relay between switches with indication lamp and fibaro relay and indication lamp glow in the dark :)

     

    And I resolve my problem with two phases too. I put one small relay between and work now very good for me :) So, light are on 10A fuse, as they must be (wires are 1.5mm2) :)

     

     

     

    Please login or register to see this attachment.

    Cool but I stll cant see how you achieve this with out mixing neutrals?

  • Topic Author
  • Posted

    Jamie: I have just one nevtral wire!!!

     

     

    And here is a video:

    Please login or register to see this attachment.

    Posted
    1 hour ago, ggrizliv said:

    Jamie: I have just one nevtral wire!!!

     

     

    And here is a video:

    Please login or register to see this attachment.

     Yes but at your impulse relay etc you are using your Hot water circuit neutral but pulsing the relay with the light circuit phase correct?

  • Topic Author
  • Posted (edited)

    Yes, but all my neutral wires are bridged together. I have rcd (3phases & neutral) and 1-pole fuses, not 2-pole... so, i can take random neutral wire as long as it min. 1.5mm2...

    Edited by ggrizliv
    Posted (edited)
    9 hours ago, ggrizliv said:

    Yes, but all my neutral wires are bridged together. I have rcd (3phases & neutral) and 1-pole fuses, not 2-pole... so, i can take random neutral wire as long as it min. 1.5mm2...

    @ggrizliv Its the MCB which dictates the individual circuit then over the top of that the RCD protects grouped circuits.

    I dont live or work in Slovenia but Im guessing if you asked a local electrictian that he would back me up on this.

    When you post your solutions on a public forum you have to be prepared to be shouted down if it provides a potential hazzard

    Dont get me wrong I like the way you have worked through this and problem solved your solution however if someone turns off the hotwater or lighting MCBs then works on either circuit their neutrals could provide a potential electric shock.

    Its pretty basic stuff.

    Edited by Jamie mccrostie
  • Topic Author
  • Posted (edited)

    Jamie: this is an example of fusebox in our country (this fusebox is not mine)

     

     

    Please login or register to see this attachment.

     

    Like you see, all N wires are put together after RCA...

    Edited by ggrizliv
    Posted
    6 hours ago, ggrizliv said:

    Jamie: this is an example of fusebox in our country (this fusebox is not mine)

     

     

    Please login or register to see this attachment.

     

    Like you see, all N wires are put together after RCA...

    All switch boards have the neutrals tied together.

     

    The only difference being if you have multiple RCDs then the neutrals will be grouped to each RCD

  • Topic Author
  • Posted (edited)

    Yes, if you have multiple RCDs.... If you have just one, then is like picture shown. But if you have 2-pole fuse, then all neutral wires go from each 2-pole fuse and to the device...

    Please login or register to see this attachment.

     

     

    like in 3rd row. 1-is 1phase RCD, Then 3phase RCD, then 3phase fuse, then 4x 2-pol fuse and last 3Phase puse......

    Edited by ggrizliv

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