ᐅ Residual current circuit breakers with arc fault detection in prefabricated houses
Created on: 29 Sep 2017 18:58
W
werners81
Hello dear forum,
We are currently building a new house with Keitel-Haus. In the additional cost invoice for the selections, we were informed that we need to install residual current circuit breakers with arc fault detection because our house will be built after December 18, 2017. After doing some research, I found out that this is due to a new VDE standard, which requires these devices to be installed, among other places, in wood-based constructions.
According to the insurance company, these are not necessary unless explicitly required by the local authorities. For the insurance, only what is specified in the regional building code regarding fire protection counts. The switches would cost almost 3,000€ for 11 circuits, which we would prefer to avoid...
Could you please clarify how necessary these are and whether they are really mandatory?
Best regards
We are currently building a new house with Keitel-Haus. In the additional cost invoice for the selections, we were informed that we need to install residual current circuit breakers with arc fault detection because our house will be built after December 18, 2017. After doing some research, I found out that this is due to a new VDE standard, which requires these devices to be installed, among other places, in wood-based constructions.
According to the insurance company, these are not necessary unless explicitly required by the local authorities. For the insurance, only what is specified in the regional building code regarding fire protection counts. The switches would cost almost 3,000€ for 11 circuits, which we would prefer to avoid...
Could you please clarify how necessary these are and whether they are really mandatory?
Best regards
It is true that fire protection switches have not been made mandatory in the national building codes; however, electrical companies must comply with the DIN VDE standards (recognized technical rules).
The only option for the electrical contractor is for the client to formally object in writing to the installation of a fire protection switch and to waive any liability claims against the electrician.
The only option for the electrical contractor is for the client to formally object in writing to the installation of a fire protection switch and to waive any liability claims against the electrician.
Looking at it from the opposite perspective: is the advantage of this innovation just meaningless hype, or is there a practical benefit that can be explained in simple, straightforward terms?
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A fire protection switch detects so-called series arcs, which occur before a fire starts.
For example, if a plug is not properly inserted, there is no secure contact, which could potentially cause a fire.
Just try searching for fire protection switches and you will find plenty of information.
In the USA, these have actually been in use for several years.
For example, if a plug is not properly inserted, there is no secure contact, which could potentially cause a fire.
Just try searching for fire protection switches and you will find plenty of information.
In the USA, these have actually been in use for several years.
Aricon schrieb:
Just try googling fire protection switches and you'll find quite a bit. The keyword in my question was "easy enough for blondes to understand" – but I guess I’m no wiser than before :-(
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