The Content Of The Article:

Install a back and forth or a remote control

Difficulty level: Intermediate.

Necessary tools:

Cutting pliers.
Wire stripper.
Flat screwdriver.
Multimeter (optional, but highly recommended).
If necessary, angle grinder etc.

Install a back and forth

In a long or large room, it is often necessary to be able to control lighting from several points. Depending on the case, different arrangements will be used to reduce the cost to the maximum. Thus, for a single control point, a conventional switch will suffice. For two control points, we often favor a "back and forth" installation that will require two reversing switches. Finally, in the case where three or more control points are desired, it will generally opt for push switches, and a remote switch.

Before you start

Before you want to realize the lighting circuit, you must first make sure that you have an appropriate circuit to power it. In the case where one starts from zero, it will be necessary to install at the level of the electric panel a circuit-breaker of 10A which will be used to feed the new circuit. On the other hand, if the circuit already exists, then it will be necessary to check that it is not saturated: each circuit can have only eight light points at most. If it is saturated, then it will be necessary to create a new circuit, as indicated previously.

Before doing any work on an electrical circuit, remember to turn off the power at the main circuit breaker (especially if you are working on the switchboard), and to check that there is no voltage on the multimeter.

In this fact sheet, we will neglect the preparatory work of making the cuts or passing the ICTA sheaths necessary for the realization of the circuit. This step must however be carried out beforehand.

Installation of a simple switch.

Necessary material:

a switch
drivers of the desired colors in 1.5 cm².

Installation of a simple switch

A simple switch is placed on the live wire. Its function is simply to open or close the circuit, in order to turn off or turn on the controlled lamp. On a circuit of this type, there are three portions:

Table - switch (phase) Red
Switch - lamp (controlled phase) Orange, Purple, Black, Brown...
Lamp - board (neutral) Blue

To this must also add the protective conductor (earth).

Generally, the switch has three terminals (switch back and forth). One (L) is connected according to the position to one or the other of the two others (1 and 2). In this case we will generally connect the arrival of the array on L, and the departure to the lamp on 1. The second terminal will remain unconnected.

Installation of a back and forth.

Necessary material:
two switches back and forth
drivers of the desired colors in 1.5 cm².

Install a back and forth

The back and forth takes the same basic principle as the simple switch: neutral and earth will be directly brought to the socket. The difference will be at the level of the phase which will pass according to the position of the first switch in one or other of the "shuttle" wires. The position of the second switch will make it possible to choose one or the other of the shuttles as arrival. By the play of the two switches, one thus obtains four positions: two lamps lit (the switches are on the same shuttle) and two lamps extinguished each one is positioned on a different shuttle.

If we detail the different parts of the circuit, we obtain:

Table - switch 1 (phase) Red
2 x Switch 1 - switch 2 (shuttle 1 and 2) Orange, Violet...
switch 2 - lamp (controlled phase) Black, brown...
Lamp - board (neutral) Blue
Earth.

Installation of a remote control

Necessary material:
as many push switches as needed (with or without light)
drivers of the desired colors in 1.5 cm².
a remote control

Installation of a remote control

Unlike previous systems, a remote control requires push buttons. Indeed, each press of one of the buttons will change the status remote control by closing its control circuit for a short time. The advantage of this type of assembly is that you can install virtually as many push buttons as you want on the circuit.

Each pusher will be powered by the phase and its return will be connected either to another pusher or to the remote control directly. The lamp will then be directly powered by the remote control switch on the output provided for this purpose.

The remote control has four terminals: A1, A2, 1 and 2. The first two correspond to the control of the coil. When this circuit is energized, the coil is powered, which allows it to change the status switch, a bit like a ballpoint pen comes in or out with each support at its top. The other two terminals 1 and 2 correspond to the switch controlled by the coil.

In order to operate everything, the neutral will be brought directly to the coil (A2), and to the lamp. The phase will be connected on the one hand to the input of the controlled switch (1), and to the inputs of the push buttons. The returns of the push buttons will then be returned to the coil (A1). Finally, the output of the switch (2) will be the controlled phase that will be sent to the lamp.

Note: The previous explanation concerns unipolar remote switches. In the case of a bipolar remote switch, it will suffice to pass the neutral going to the lamp in the two new studs available: 3 and 4.


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