I did them back in my home country, but it was different.

11 comments
  1. On the white ones, push the button, insert the wire, release the button. The transparent one seem to have a screw or maybe a pin to pull before inserting the cable

  2. Super short introduction to residential electrical installations in Switzerland:

    Except for very small places, you get a three-phase line (L1, L2, L3) to the fuse box. Live to neutral is nominal 230V, live to live is 400V. “Normal” power sockets offer 230V (live-neutral), bigger appliances such as a stove or oven often use the 400V (live-live).

    Labelling:
    * L (Leiter or Phase) is the live wire. You don’t want to touch this one.
    * N (Neutralleiter or Nullleiter) is neutral.
    * PE is protective earth. Old installations (TN-C, until about mid-eighties) may not have those and use the yellow neutral instead.

    Wire colours:
    * Yellow (old standard) and light blue (new standard) are neutral. There should always be exactly one of those colours present. This will tell you what standard you’re dealing with.
    * Live, old standard: black, red, white for three-phase installations, red for single-phase.
    * Live, new standard: brown, black, grey for three-phase, brown for single-phase.
    * PE is always yellow-green.
    * Any other colour is probably a switched live (e.g. for your ceiling lamp). At least in a residential house.
    * Beware of dark blue wires. That’s probably a live, not neutral.
    * Be aware of mixed installations: an old house (red/yellow) with recent additions or rewiring (brown/blue).

    As always, be careful and if in doubt double-check.

  3. 1) Switch of power by switching off all circuit breakers
    2) make sure no one can turn on the breakers while you’re working on the installation
    3) measure witch a multimeter / phase tester (that is working properly- test before on a active socket) if all wires are without voltage
    4) remove the three terminals (wire colours were perfectly explained before)
    5) connect all three wires according to their colours to the terminals of your lamp of choice

    If your lamp doesn’t have terminals but lose wires you can connect to the terminals that are already installed. You dont even need tools gor those.

    Whatever you do, don’t hurt yourself.

  4. If You need to ask here it would be safer to get an electrician.

    Otherwise you risk to get electrocuted or burn down the house or both.
    The electrician has tools and measuring equipment and knows how to do it

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