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Electrical diagrams of the house (list)

In the field of DIY, electricity is often scary to the amateur. However, a little logic is enough. You must of course know the safety rules and comply with the instructions in the standard NC C15-100, especially in the bathroom. Once the basic techniques and rules have been mastered, it is essential to follow the electrical wiring diagram of the house, often offered by major brands of materials (as here Legrand). We include in this file the main diagrams contained in the site that will help you in your installation work.

Steps

  1. Dimmer schemes

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Drawings of electrical boards

Installation with single-phase power greater than or equal to 18kVa

Installation with single-phase power greater than or equal to 18kVa

This electrical diagram illustrates the principles of installation benefiting from single-phase power supply greater than or equal to 18kVa, in accordance with the requirements of standard NF C15-100.

Pre-wired electrical panel

Pre-wired electrical panel

For the amateur, a pre-wired electrical panel at the head of installation makes things a lot easier! It saves a lot of time and the certainty of following the safety rules imposed by the standard. The extra cost compared to the purchase of separate items is not very important.

Diagrams back and forth and remote control

Single switch

Single switch

The installation of a switch-controlled lighting is simple, provided you respect the color code applied by the electricians, as well as the electric plan of the house. We start from a junction box from which we draw two son. The live wire (red or any other color other than blue - reserved for neutral - or green, yellow, green-yellow - reserved for the earth) is the one on which the cut will be made. It is therefore directed to the switch. The neutral wire (blue) will join him, the socket. After passing through the switch, the phase wire changes color to generally adopt brown, black or gray (it can be any color other than those reserved for neutral or earth). Warning: a ground wire must be available at the socket!

Switch with indicator light

Switch with indicator light

When a switch is placed outside the room where it controls a lighting (bathroom, cupboard, cellar staircase, etc.), it is good to take a model with indicator that avoids to leave unnecessarily light in the room where it is no longer.The lighting of the indicator requires to pull a neutral wire to the switch.

Simple back-and-forth

Simple back-and-forth

Nightmare of amateur electricians, the up-and-down is not very difficult to wire. We use here switches (in no longer a switch that each one a two-position rocker.The wiring principle is the same as that of a switch: phase driver to the switches, neutral wire to the switch.But here we pull two "shuttle" wires between the poles of the switches for controlling the lighting from two points distant from each other (for example at the two ends of a corridor).

Back and forth with a pilot lamp

Back and forth with a pilot lamp

This assembly meets the same needs as those of a light switch: avoid forgetting to turn off the light in a place where one is no longer, one of the two switches is out of the lighted room ( typical case of a cellar staircase).

Remote switch installed in the installation

Remote switch installed in the installation

When it is necessary to control a point of light for more than two points, the back and forth system is no longer suitable. We then go to contactor, system using a relay and push buttons. Each of them is connected on the one hand to the relay, on the other hand to the phase they control by simple impulse.

Toggle switch integrated into the switchboard

Toggle switch integrated into the switchboard

The current trend is to integrate the remote control switch to the electrical panel, which simplifies the installation and especially avoids perceiving the characteristic operating clatter of the device in a living room.

Timer schemes

Integrated timer on the board

Integrated timer on the board

A moment forgotten in favor of the remote control, the timer takes all its meaning with the need to ensure energy savings. Once independent, it comes to take place today directly on the electrical board, like other equipment such as the remote control or the load cell.

Ringtone integrated into the board

Ringtone integrated into the board

Rather than installing a chime near the front door, today you can place the doorbell module on the electrical panel, like other equipment.

Dimmer schemes

Simple dimmer

Simple dimmer

The dimmer has become a must-have device in every room of the house where it can be interesting to modulate the lighting. This is particularly the case in the living room, in the dining room or in a room. The connection is not fundamentally different from that of a switch.

Inverter to replace a back and forth

Inverter to replace a back and forth

It is now possible to replace a control buttons back and forth by a dimmer. You have to pay close attention to the wiring.

Integrated dimmer on the board

Integrated dimmer on the board

It is the application of the variator to the remote control switch, in direct integration with the electrical panel.

Schemes of unloaders

Shooter a circuit

Shooter a circuit

The current shed is a bit like a switching station that favors such or such a circuit according to the needs, so as to avoid too much current demand compared to the available power allowed by the subscription. To lighten the cost of it, enjoy the power necessary for your consumption at the fair, by focusing on some devices, thanks to the reliever.

Three circuit shooter

Three circuit shooter

This diagram will allow you to further refine your needs by acting on several circuits of your installation.

Off-peak relay

Off-peak relay

Several operators including of course EDF still offer differentiated rates depending on the time you use the power. A small device placed on the electrical panel allows the implementation of the device and switch from the full-time rate to the off-peak rate.

EJP contactor

EJP contactor

The EJP tariff (erasing peak days) allows you to benefit for 343 days per year from a tariff close to that of off-peak hours regardless of the time of day. For 22 days, spread between 1 November and 31 March, the price per kWh is higher. Informed of these 22 days, you are encouraged to reduce your consumption during these peak days. This small switch placed on the electrical panel does the job automatically.

Heating control schemes

Room thermostat integrated into the panel

Room thermostat integrated into the panel

The regulation of heating is a factor of economy and comfort. A centralization of the action of the room thermostat can be realized thanks to this device, easy to install.

Weekly two-zone programmable thermostat integrated into the panel

Weekly two-zone programmable thermostat integrated into the panel

A very elaborate programming of your electric heating system can be obtained thanks to the centralization of this type of multi-zone thermostat, which can be programmed over two weeks. The operation of the electric heaters is thus precisely modulated according to your needs.

Mechanical Programmable Switches

Mechanical Programmable Switches

The operation of some electrical devices can be programmed simply by this kind of device. This is the case of a sign, a window, but it can also be the lighting of a course or a driveway. The time is typically done by rotating a knurled knob, segments to define the time range. This is the centralized application of a classic plug programmer.

Digital time switches

Digital time switches

This is the modern version of mechanical programmable switches. More precise, easy to adjust, it also saves significant space on the electrical panel.

Schemes of specific protections

Installation of a specific box for water heater

Installation of a specific box for water heater

A specific box to ensure optimum protection of the water heater and its operation during off-peak hours.

Integrated dimmer on the board

Integrated dimmer on the board

Not to be confused with the lightning rod, the arrester does not protect against the lightning itself but against its potential effects on an installation, by return by the ground.

Differential circuit breaker

Differential circuit breaker

Essential component of the electrical panel, the differential circuit breaker ensures a perfect protection of the circuits, in particular in case of loss of insulation of a device connected to the protected circuit. It can be installed on the distribution board as well as circuits to be protected, and in priority on those supplying wet rooms.

Differential Switches

Differential Switches

A good standard installation has 2 differential switches (not to be confused with the differential switches) which are placed upstream of the two main families of circuits of the installation: outlets and lighting / specialized circuits (heating, water heater, etc.). A 40A - 30mA type AC switch protects the first one, a 40A - 30mA type A switch protects the second one, all having a circuit breaker device (ideally division circuit breakers).

Phone socket and RJ45 socket

Phone socket and RJ45 socket

Telephone wires are used to pass signals for many other applications. The wiring diagram of a phone jack, called RJ45 is therefore known by any good handyman (if only in case of accidental tearing). Legrand Schemes

(photos / visuals: © DIY Prod, except special mention)

On the same topic

  • products
    • Differential Switches and Circuit Breakers: Perfect Protection of the Electrical System (Debflex)
  • DIY tips
    • The different types of electrical plugs
    • Power the house with electricity
    • Electrical installation in a cellar
    • Weekly two-zone programmable thermostat: circuit diagram
    • Electrical diagram of the room thermostat integrated in the table
    • Connection diagram for a off-peak relay
    • Diagram of the dimmer integrated in the board
    • Inverter to replace a back and forth: connection diagram
    • Simple drive: connection diagram
    • Diagram of connection of a bell integrated into the board
    • Diagram of integration of a remote control switch on the electrical panel
    • Diagram of connection of the remote control
    • Installation of a back and forth with indicator light
    • How to connect a switch back and forth?
    • How to install a pre-wired electrical panel?
    • Rules for installing electricity
  • Questions answers
    • Can we pass electrical circuits behind the partitions of a bathroom?

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