BS 7273-4:2015+A1:2021 EXCOMM

BS 7273-4 provides recommendations for the design, installation, commissioning and maintenanceof electronic arrangements for the actuation of door release mechanisms that release held-open, selfclosingfire doors; unlock electronically locked doors; or cause powered sliding doors to open. Thecode of practice was first published in 2007 and was revised in 2015.