Home › Standard
EN 54-21
1 current listing(s) — 0 EU harmonised, 1 UK designated.
Current listings
| Edition | List | Title | Presumption from | Withdrawal / cessation | |
|---|---|---|---|---|---|
| EN 54-21:2006 | UK UK Construction Products (designated) | Fire detection and fire alarm systems — Part 21: Alarm transmission and fault warning routing equipment | 0035/21 | source |
No recorded change events yet for this standard.