NF 292 :
NF mark is going beyond EN 14604 standard; delivered by AFNOR Certification in France.
It is not compulsory and will come in addition to the EN 14604 standard (CE mark).
NF Certification will provide additional guarantee of quality and reliability.
NF will provide annual inspections and audit at the manufacturing site, but also on the market where products will be picked up and tested in order to ensure every product sold is compliant to EN 14604 standards.
NF certified smoke alarms must be:
manufacturers must provide hotline to consumers
Supplied with battery
Installed with screws and plugs
Free of radioactive substances
Delivered with clear and detailed instructions