It is written in the spec for buildings that cannot take smoke and corrosive gas. If there is no spec I do not swap it without writing it down with the owner.
Nexans
Halojensiz
It is written in the spec for buildings that cannot take smoke and corrosive gas.
Questions
Is this page that company's catalog?
No. I describe the families I meet on site. The order code is read off the label. The price is written after measurement.