3. Interior protection system
3.1 Potential differences and priming
The first and most frequent cause of overvoltage is a lightning strike on, or near, an overhead line; the lightning current generates a local voltage pulse in the conductors of this line, which then propagates to the building. The closer the impact, the higher the amplitude of this pulse at the point where the line enters the building. The amplitudes of these surges are generally of the order of several thousand volts for low-voltage lines (220/380...
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Bibliography
Standards and norms
AFNOR
- Low-voltage arresters – Part 11: Surge arresters connected to low-voltage systems – Requirements and test methods - NF EN 61643-11/A11 - 2018
- Low-voltage surge arresters – Part 21: Surge arresters connected to signal and telecommunication networks – Operating specifications and test methods - NF EN 61643-21/A2 - 2013
- Protection contre la foudre Partie 1 : Principes généraux...
Regulations
ICPE Order: Arrêté du 11 mai 2015 modifiant une série d'arrêtés ministériels pour prendre en compte la nouvelle nomenclature des installations classées pour la protection de l'environnement entrant en vigueur au 1 er juin 2015 dans le cadre de la transposition de la directive no 2012/18/UE du 4 juillet 2012.
Decree known as INB: Decree of 07/02/12 laying...
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