Comment brancher une applique murale avec deux fils ?
Alexandre Regnier
2025-06-27 03:20:21
Nombre de réponses
: 2
A 2-wire system includes two wires - Live and Switched Live.
The brown wire is Live, this brings the live supply to the switch.
The blue wire is known as the Switched Live and takes power to the light.
Switched Live is only live when the switch is on.
Note - the switched live has a brown sleeve on it, this highlights that the wire is actually a live wire, even though it is blue, this ensure that it is not confused with a neutral wire.
If you have a 2-gang or 3-gang switch you may have black and grey wires, however these will have a brown sleeve on them as they are also switched live wires.
A standard 2-wire lighting circuit is shown in Figure 1.
You can check the following points: Are all the wires connected to the switch?
Do all the wires have a brown sleeve on them?
If the answer is YES to either of these points, you have a 2-wire system.
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