Dr. Zzeus Q&A: can a fire system designed to BS 5839-1:2017 be certified to the BS 5839-1:2025 Standard?In this regular column, Dr.Tom Brookes, MD at Zzeus Training and chairman of the FSA, answers your questions related to fire safety. In this month’s edition he looks at BS Standards and the correct protocol for certifying systems that are designed to an older standard. Q. We have been installing a fire system in a ...The post Dr. Zzeus Q&A: can a fire system designed to BS 5839-1:2017 be certified to the BS 5839-1:2025 Standard? appeared first on Professional Electrician.