Fire Alarm Sounder Symbol IEC 60617 reference

Fire Alarm Sounder

A fire alarm sounder to BS EN 54-3. Produces minimum 65 dB at the bedhead per BS 5839-1, with the fire-alarm tone defined in BS 5839 Annex E.

Used in: Commercial premises, HMOs, places of assembly; covered by fire risk assessment.

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A fire alarm sounder to BS EN 54-3. Produces minimum 65 dB at the bedhead per BS 5839-1, with the fire-alarm tone defined in BS 5839 Annex E.

Commercial premises, HMOs, places of assembly; covered by fire risk assessment.

For the full set of safety + security symbols, see the Safety + Security Symbols reference page — covering every related symbol with the same level of installation context.

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Other safety + security symbols you may need on the same drawing:

Smoke Detector

An optical or ionisation smoke detector to BS EN 14604 (single-station, domestic) or BS 5839-1 (fire alarm system). Interlinked types signal one another via wire or RF.

Used in: Every level of a domestic property, escape routes, places of assembly per regulations.

Heat Detector

A fire detector that triggers on a fixed temperature (typically 58°C) or rate-of-rise. Used where smoke detectors would false-alarm (kitchens, garages, dusty areas).

Used in: Kitchens, garages, lofts, plant rooms, smoking areas; never in dwellings without an SD elsewhere.

CO Detector

A carbon monoxide detector to BS EN 50291. Required in rooms with combustion appliances under the Smoke and CO Alarm Regs 2022 (England) and similar in Wales/Scotland.

Used in: Living rooms with gas fires, bedrooms above garages, rooms with solid-fuel stoves or boilers.

Fire Alarm Sounder

A fire alarm sounder to BS EN 54-3. Produces minimum 65 dB at the bedhead per BS 5839-1, with the fire-alarm tone defined in BS 5839 Annex E.

Used in: Commercial premises, HMOs, places of assembly; covered by fire risk assessment.

Sounder + Beacon

A combined audible + visual alarm device to BS EN 54-23. The visual indicator is required for the hearing impaired and in high-noise environments where audible signals alone may not be heard.

Used in: WCs, plant rooms, factories, schools, disabled refuge areas, swimming pools.

Manual Call Point (Break Glass)

A manual call point to BS EN 54-11. The break-glass/press-glass element used to manually trigger the fire alarm system. Sited near exits and on escape routes.

Used in: Every fire-alarm system; on escape routes, at exits, at landing levels.

Emergency Call Point (Disabled WC)

A disabled-toilet emergency assistance alarm to BS 8300. Pull-cord activator + reset button + indicator outside the WC. Required under Building Regs Part M.

Used in: Accessible WCs in commercial buildings, hospitality, public buildings.

Disabled Refuge Alarm

A two-way emergency voice communication point at a disabled refuge to BS 5839-9. Allows people awaiting evacuation to communicate with the main control room.

Used in: Stairwells in multi-storey commercial buildings, evacuation lift lobbies.

Motion Detector (Security)

A PIR or microwave motion detector for an intruder alarm system to BS EN 50131. Typically wall-mounted at 2.0-2.4 m with coverage of 12 m × 12 m for standard PIR.

Used in: Hallways, large rooms, garages; works with door contacts to form a complete zone.

CCTV Camera

A CCTV camera — typically IP (PoE-powered, RJ45) or analogue HD. Modern installations are IP cameras over Cat 6 with PoE+ for pan-tilt-zoom models.

Used in: Building entrances, car parks, retail floors, secure perimeters; data + power on one Cat 6 cable.

Access Control Reader

A proximity card, fob or biometric reader controlling a maglock or electric strike. Networked to a central controller. Often integrated with the fire alarm for auto-release on alarm.

Used in: Office entrances, server rooms, restricted-access plant rooms, multi-tenant lobbies.

Door Entry Panel

An audio or video door entry panel at a main entrance. Connects to handset stations inside the building. Modern systems are IP-based over Cat 6.

Used in: Flats, apartments, gated developments, offices with controlled entry.

Door Release Button

A green push-button that releases an electrically-locked door from inside (the egress side). Required where access control restricts movement out of a space.

Used in: Inside doors with maglocks/strikes, server rooms, secure office areas.

Bell / Door Chime

A domestic bell or chime triggered by a push-button at the door. Often supplied via a 12 V transformer in modern wired systems, or battery for wireless.

Used in: Front door, back door, tradesperson entrance; symbol used on domestic drawings.

Extractor Fan

A wall- or ceiling-mounted extract fan. Bathroom fans typically interlocked with the light circuit and overrun timer; kitchen fans on a separate switch.

Used in: Bathrooms, kitchens, WCs, utility rooms; needs 3-pole isolator for safe maintenance.

Thermostat

A room thermostat controlling heating. Mechanical, electronic or smart (Wi-Fi). Wired thermostats need a 230 V supply or a low-voltage transformer.

Used in: Living room or hallway typically; one zone per heating loop.

Junction Box

A wiring junction box where cables are joined. Must be accessible per BS 7671 526.3 unless maintenance-free (MF) type. Modern MF boxes use spring terminals.

Used in: Loft cables, behind sockets, lighting circuits, above accessible ceilings.