In this video you will discover the steps you should take to properly protect electrical circuits in your home.
This video is part of a program which you can watch in its entirety:
https://www.sikana.tv/en/housing/access-to-electricity
Perfectly accessible for beginners to electrical works, this tutorial will take you through the steps to follow in order to protect an electrical circuit: limiting the number of use points, selecting the conductor, and installing the most suitable protection system.
Translated by Anne Duthoit
In this video, you will learn how to protect an electrical circuit against surges and short circuits.
Protecting the circuit makes it possible to protect equipment by preventing fire risks and the destruction of the electrical installation by current it cannot handle.
To protect an electrical circuit you will need 1.5 to 6 mm2 conductors, and 16 to 32-ampere circuit breakers.
This installation is carried out in 3 steps, as we will explain.
STEP 1: LIMIT THE NUMBER OF USER POINTS PER CIRCUIT
STEP 1: LIMIT THE NUMBER OF USER POINTS PER CIRCUIT
The maximum number of user points per circuit varies in function of the nature of the circuit.
For example, for a lighting circuit with switches, it should be limited to 8 points, i.e. 8 light bulbs.
Renvoi à la vidéo “Définir le nombre de points d'utilisation par circuits”.
To learn more about the different standards, please watch the video "How to define the number of user points for a circuit".
STEP 2: SELECT THE CONDUCTOR
STEP 2: SELECT THE CONDUCTOR
The cross-section, i.e. the diameter, of the conductor varies, depending on the type of circuit.
The size may range from 1.5 mm2 for a lighting circuit to 6 mm2 for a kitchen oven or hot plate..
STEP 3: INSTALL THE BEST-ADAPTED PROTECTION SYSTEM
STEP 3: INSTALL THE BEST-ADAPTED PROTECTION SYSTEM
On the electrical panel, the circuit breakers make it possible to cut off the electrical current if an incident occurs.
The choice of circuit breaker will vary in function of the circuits to be protected. This information can be found on the packaging or directly on the circuit breaker itself.
For a lighting circuit, choose a 16-ampere circuit breaker.
For a circuit that has only 16-ampere sockets, or a circuit dedicated to a domestic appliance, choose a 20-ampere circuit breaker.
For a circuit dedicated to an oven, a stove top or a cook stove, choose a 32-ampere circuit breaker.
Renvoi à la vidéo “Réaliser un tableau électrique”
To learn more about how to set circuit breakers, please watch the video "How to install an electrical panel".
You now know how to protect a circuit against surges and short circuits.
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