BS 7273-4:2015+A2:2023
Code of practice for the operation of fire protection measures. Actuation of release mechanisms for doors
https://doi.org/10.3403/30289000 (published 30/06/2015)
BS 7273-4:2015+A2:2023 is maintained by FSH/12/4. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS 7273-4:2015+A1:2021 [current until 31/05/2023]
- BS 7273-4:2015 [current until 25/01/2021]
- BS 7273-4:2007 [current until 30/06/2015]