https://www.elec-mate.com/guides/electrical-symbols-chart 2026-05-18 https://www.elec-mate.com/symbols/switches/1way.svg One-Way Switch Symbol — BS EN 60617 One-way switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/2way.svg Two-Way Switch Symbol — BS EN 60617 Two-way switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/intermediate.svg Intermediate Switch Symbol — BS EN 60617 Intermediate switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/dimmer.svg Dimmer Switch Symbol — BS EN 60617 Dimmer switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/double-switch.svg Double Switch (Two-Gang) Symbol — BS EN 60617 Double two-gang switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/pull-cord.svg Pull-Cord Switch Symbol — BS EN 60617 Pull-cord switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/fan-isolator.svg Fan Isolator (3-Pole) Symbol — BS EN 60617 Fan isolator three-pole switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/pir-switch.svg PIR Switch (Occupancy Sensor) Symbol — BS EN 60617 PIR occupancy sensor switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/timer-switch.svg Timer Switch Symbol — BS EN 60617 Timer switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/key-switch.svg Key Switch Symbol — BS EN 60617 Key-operated switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/emergency-stop.svg Emergency Stop (E-Stop) Symbol — BS EN 60617 Emergency stop button electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/isolator.svg Isolator (Switch-Disconnector) Symbol — BS EN 60617 Isolator switch-disconnector electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/heater-switch.svg Heater Switch (45A DP) Symbol — BS EN 60617 Heater 45A double-pole switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/single-13a.svg Single 13A Socket Outlet Symbol — BS EN 60617 Single 13A switched socket outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/double-13a.svg Double 13A Socket Outlet Symbol — BS EN 60617 Double 13A switched socket outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/fused-spur.svg Fused Spur (Unswitched) Symbol — BS EN 60617 Fused connection unit unswitched electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/switched-fused-spur.svg Switched Fused Spur Symbol — BS EN 60617 Switched fused connection unit FCU electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/unswitched-spur.svg Unswitched Spur (Non-Fused) Symbol — BS EN 60617 Unswitched spur outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/cooker-45a.svg Cooker Outlet (45A) Symbol — BS EN 60617 Cooker 45A outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/shaver.svg Shaver Socket Symbol — BS EN 60617 Shaver socket isolating transformer electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/usb-socket.svg USB Socket Symbol — BS EN 60617 USB charging socket outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/data-socket.svg Data Socket (RJ45) Symbol — BS EN 60617 Data RJ45 ethernet socket electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/telephone.svg Telephone Socket Symbol — BS EN 60617 Telephone master socket electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/tv-aerial.svg TV Aerial Socket Symbol — BS EN 60617 TV aerial coaxial socket electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/comms-cabinet.svg Comms Cabinet Outlet Symbol — BS EN 60617 Communications cabinet rack electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/ev-charger.svg EV Charger Outlet Symbol — BS EN 60617 EV charger outlet point electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/outdoor-ip66.svg Outdoor IP66 Socket Symbol — BS EN 60617 Outdoor weatherproof IP66 socket electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/floor-socket.svg Floor Socket (Floor Box) Symbol — BS EN 60617 Floor socket floor box outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/pendant.svg Pendant Light Symbol — BS EN 60617 Pendant light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/ceiling-light.svg Ceiling Light (Flush) Symbol — BS EN 60617 Flush ceiling light electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/downlight.svg Downlight (Recessed) Symbol — BS EN 60617 Recessed downlight electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/wall-light.svg Wall Light Symbol — BS EN 60617 Wall mounted light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/bulkhead.svg Bulkhead Light Symbol — BS EN 60617 Bulkhead light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/outside-light.svg Outside Light Symbol — BS EN 60617 Outside light external fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/pir-sensor.svg PIR Sensor (Lighting) Symbol — BS EN 60617 PIR motion sensor for lighting control electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/emergency-light.svg Emergency Light Symbol — BS EN 60617 Emergency light non-maintained electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/twin-emergency.svg Twin Emergency Spot Symbol — BS EN 60617 Twin emergency spotlight electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/exit-sign.svg Exit Sign Symbol — BS EN 60617 Emergency exit sign electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/fluorescent.svg Fluorescent Fitting (Batten) Symbol — BS EN 60617 Fluorescent batten light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/led-strip.svg LED Strip Lighting Symbol — BS EN 60617 LED strip light electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/high-bay.svg High Bay Light Symbol — BS EN 60617 High bay industrial light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/consumer-unit.svg Consumer Unit Symbol — BS EN 60617 Consumer unit fuseboard electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/distribution-board.svg Distribution Board Symbol — BS EN 60617 Commercial distribution board electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/sub-main-board.svg Sub-Main Board Symbol — BS EN 60617 Sub-main distribution board electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/mcb.svg MCB (Miniature Circuit Breaker) Symbol — BS EN 60617 MCB miniature circuit breaker electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/mccb.svg MCCB (Moulded Case CB) Symbol — BS EN 60617 MCCB moulded case circuit breaker electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/rcd.svg RCD (Residual Current Device) Symbol — BS EN 60617 RCD residual current device electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/rcbo.svg RCBO (RCD + MCB Combined) Symbol — BS EN 60617 RCBO residual current breaker with overcurrent electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/spd.svg SPD (Surge Protection Device) Symbol — BS EN 60617 SPD surge protection device electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/contactor.svg Contactor Symbol — BS EN 60617 Electrical contactor electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/main-isolator.svg Main Switch / Isolator Symbol — BS EN 60617 Main switch isolator electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/meter.svg Electricity Meter Symbol — BS EN 60617 Electricity meter electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/changeover-switch.svg Changeover Switch Symbol — BS EN 60617 Changeover switch transfer switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/generator-changeover.svg Generator Changeover (ATS) Symbol — BS EN 60617 Generator automatic transfer switch ATS electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/busbar-chamber.svg Busbar Chamber Symbol — BS EN 60617 Busbar chamber electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/smoke-detector.svg Smoke Detector Symbol — BS EN 60617 Smoke detector electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/heat-detector.svg Heat Detector Symbol — BS EN 60617 Heat detector electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/co-detector.svg CO Detector Symbol — BS EN 60617 Carbon monoxide CO detector electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/fire-alarm.svg Fire Alarm Sounder Symbol — BS EN 60617 Fire alarm sounder electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/sounder-beacon.svg Sounder + Beacon Symbol — BS EN 60617 Combined sounder and beacon fire alarm electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/break-glass.svg Manual Call Point (Break Glass) Symbol — BS EN 60617 Manual call point break glass fire alarm electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/emergency-call-point.svg Emergency Call Point (Disabled WC) Symbol — BS EN 60617 Emergency call point disabled WC alarm electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/disabled-alarm.svg Disabled Refuge Alarm Symbol — BS EN 60617 Disabled refuge alarm communication point electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/motion-detector.svg Motion Detector (Security) Symbol — BS EN 60617 Motion detector intruder alarm electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/cctv.svg CCTV Camera Symbol — BS EN 60617 CCTV security camera electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/access-control.svg Access Control Reader Symbol — BS EN 60617 Access control card reader electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/door-entry.svg Door Entry Panel Symbol — BS EN 60617 Door entry intercom panel electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/door-release.svg Door Release Button Symbol — BS EN 60617 Door release button green exit button electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/bell.svg Bell / Door Chime Symbol — BS EN 60617 Bell door chime electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/extractor-fan.svg Extractor Fan Symbol — BS EN 60617 Extractor fan electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/thermostat.svg Thermostat Symbol — BS EN 60617 Wall thermostat electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/junction-box.svg Junction Box Symbol — BS EN 60617 Junction box wiring electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/conduit.svg Conduit Symbol — BS EN 60617 Electrical conduit containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/trunking.svg Trunking Symbol — BS EN 60617 Cable trunking containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/busbar-trunking.svg Busbar Trunking Symbol — BS EN 60617 Busbar trunking distribution containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/cable-tray.svg Cable Tray Symbol — BS EN 60617 Cable tray containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/cable-tray-drop.svg Cable Tray Drop Symbol — BS EN 60617 Cable tray drop riser containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/floor-trunking.svg Floor Trunking Symbol — BS EN 60617 Floor trunking surface containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/underfloor-trunking.svg Underfloor Trunking Symbol — BS EN 60617 Underfloor trunking buried containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/riser.svg Vertical Riser Symbol — BS EN 60617 Vertical electrical riser containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/floor-box-multi.svg Floor Box (Multi-Service) Symbol — BS EN 60617 Floor box multi-service outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/motor.svg Electric Motor Symbol — BS EN 60617 Electric motor electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/transformer.svg Transformer Symbol — BS EN 60617 Electrical transformer step-down electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/ups.svg UPS (Uninterruptible Power Supply) Symbol — BS EN 60617 UPS uninterruptible power supply electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/sub-main.svg Sub-Main Symbol — BS EN 60617 Sub-main supply cable electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/fan.svg Industrial Fan Symbol — BS EN 60617 Industrial extraction fan electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/pump.svg Pump Symbol — BS EN 60617 Electrical pump motor electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/ahu.svg Air Handling Unit (AHU) Symbol — BS EN 60617 Air handling unit AHU electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/lift.svg Lift / Elevator Symbol — BS EN 60617 Lift elevator electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/panel-board.svg Panel Board (Motor Control Centre) Symbol — BS EN 60617 Motor control centre MCC panel board electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/boiler.svg Boiler Symbol — BS EN 60617 Gas oil boiler electrical supply symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/water-heater.svg Water Heater (Immersion) Symbol — BS EN 60617 Electric water heater immersion electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/panel-heater.svg Panel Heater Symbol — BS EN 60617 Electric panel heater wall heater electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/air-conditioning.svg Air Conditioning Unit Symbol — BS EN 60617 Air conditioning unit split system electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/fan-coil-unit.svg Fan Coil Unit (FCU) Symbol — BS EN 60617 Fan coil unit FCU HVAC electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/towel-rail.svg Electric Towel Rail Symbol — BS EN 60617 Electric towel rail bathroom electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/heater.svg Heater (General) Symbol — BS EN 60617 Electric heater electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/hand-dryer.svg Hand Dryer Symbol — BS EN 60617 Electric hand dryer electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/renewables/solar-panel.svg Solar PV Panel Symbol — BS EN 60617 Solar photovoltaic PV panel electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/renewables/inverter.svg PV Inverter Symbol — BS EN 60617 Solar PV inverter DC-AC electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/renewables/battery.svg Battery Storage Symbol — BS EN 60617 Battery energy storage system BESS electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/renewables/ev-distribution.svg EV Distribution Board Symbol — BS EN 60617 EV charger distribution board electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/renewables/generator.svg Generator Symbol — BS EN 60617 Generator backup power electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/controls/bms-controller.svg BMS Controller Symbol — BS EN 60617 Building management system BMS controller electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/controls/control-panel.svg Control Panel Symbol — BS EN 60617 Electrical control panel electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/controls/lighting-control.svg Lighting Control Module Symbol — BS EN 60617 Lighting control module DALI KNX electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/controls/sensor.svg Generic Sensor Symbol — BS EN 60617 BMS sensor occupancy temperature electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/controls/humidity-sensor.svg Humidity Sensor Symbol — BS EN 60617 Humidity sensor electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/door-left.svg Door (Hinged Left) Symbol — BS EN 60617 Door left-hinged architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/door-right.svg Door (Hinged Right) Symbol — BS EN 60617 Door right-hinged architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/door-double.svg Double Door Symbol — BS EN 60617 Double door architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/window.svg Window Symbol — BS EN 60617 Window architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/stairs.svg Stairs Symbol — BS EN 60617 Stairs architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/north-arrow.svg North Arrow Symbol — BS EN 60617 North arrow compass orientation drawing symbol https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-switch-symbols 2026-05-18 https://www.elec-mate.com/symbols/switches/1way.svg One-Way Switch Symbol One-way switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/2way.svg Two-Way Switch Symbol Two-way switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/switches/intermediate.svg Intermediate Switch Symbol 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https://www.elec-mate.com/symbols/sockets/shaver.svg Shaver Socket Symbol Shaver socket isolating transformer electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/usb-socket.svg USB Socket Symbol USB charging socket outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/data-socket.svg Data Socket (RJ45) Symbol Data RJ45 ethernet socket electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/telephone.svg Telephone Socket Symbol Telephone master socket electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/tv-aerial.svg TV Aerial Socket Symbol TV aerial coaxial socket electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/comms-cabinet.svg Comms Cabinet Outlet Symbol Communications cabinet rack electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/ev-charger.svg EV Charger Outlet Symbol EV charger outlet point electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/outdoor-ip66.svg Outdoor IP66 Socket Symbol Outdoor weatherproof IP66 socket electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/sockets/floor-socket.svg Floor Socket (Floor Box) Symbol Floor socket floor box outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-lighting-symbols 2026-05-18 https://www.elec-mate.com/symbols/lighting/pendant.svg Pendant Light Symbol Pendant light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/ceiling-light.svg Ceiling Light (Flush) Symbol Flush ceiling light electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/downlight.svg Downlight (Recessed) Symbol Recessed downlight electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/wall-light.svg Wall Light Symbol Wall mounted light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/bulkhead.svg Bulkhead Light Symbol Bulkhead light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/outside-light.svg Outside Light Symbol Outside light external fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/pir-sensor.svg PIR Sensor (Lighting) Symbol PIR motion sensor for lighting control electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/emergency-light.svg Emergency Light Symbol Emergency light non-maintained electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/twin-emergency.svg Twin Emergency Spot Symbol Twin emergency spotlight electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/exit-sign.svg Exit Sign Symbol Emergency exit sign electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/fluorescent.svg Fluorescent Fitting (Batten) Symbol Fluorescent batten light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/led-strip.svg LED Strip Lighting Symbol LED strip light electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/lighting/high-bay.svg High Bay Light Symbol High bay industrial light fitting electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-distribution-symbols 2026-05-18 https://www.elec-mate.com/symbols/distribution/consumer-unit.svg Consumer Unit Symbol Consumer unit fuseboard electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/distribution-board.svg Distribution Board Symbol Commercial distribution board electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/sub-main-board.svg Sub-Main Board Symbol Sub-main distribution board electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/mcb.svg MCB (Miniature Circuit Breaker) Symbol MCB miniature circuit breaker electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/mccb.svg MCCB (Moulded Case CB) Symbol MCCB moulded case circuit breaker electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/rcd.svg RCD (Residual Current Device) Symbol RCD residual current device electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/rcbo.svg RCBO (RCD + MCB Combined) Symbol RCBO residual current breaker with overcurrent electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/spd.svg SPD (Surge Protection Device) Symbol SPD surge protection device electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/contactor.svg Contactor Symbol Electrical contactor electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/main-isolator.svg Main Switch / Isolator Symbol Main switch isolator electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/meter.svg Electricity Meter Symbol Electricity meter electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/changeover-switch.svg Changeover Switch Symbol Changeover switch transfer switch electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/generator-changeover.svg Generator Changeover (ATS) Symbol Generator automatic transfer switch ATS electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/distribution/busbar-chamber.svg Busbar Chamber Symbol Busbar chamber electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-safety-symbols 2026-05-18 https://www.elec-mate.com/symbols/safety/smoke-detector.svg Smoke Detector Symbol Smoke detector electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/heat-detector.svg Heat Detector Symbol Heat detector electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/co-detector.svg CO Detector Symbol Carbon monoxide CO detector electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/fire-alarm.svg Fire Alarm Sounder Symbol Fire alarm sounder electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/sounder-beacon.svg Sounder + Beacon Symbol Combined sounder and beacon fire alarm electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/break-glass.svg Manual Call Point (Break Glass) Symbol Manual call point break glass fire alarm electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/emergency-call-point.svg Emergency Call Point (Disabled WC) Symbol Emergency call point disabled WC alarm electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/disabled-alarm.svg Disabled Refuge Alarm Symbol Disabled refuge alarm communication point electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/motion-detector.svg Motion Detector (Security) Symbol Motion detector intruder alarm electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/cctv.svg CCTV Camera Symbol CCTV security camera electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/access-control.svg Access Control Reader Symbol Access control card reader electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/door-entry.svg Door Entry Panel Symbol Door entry intercom panel electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/door-release.svg Door Release Button Symbol Door release button green exit button electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/bell.svg Bell / Door Chime Symbol Bell door chime electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/extractor-fan.svg Extractor Fan Symbol Extractor fan electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/thermostat.svg Thermostat Symbol Wall thermostat electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/safety/junction-box.svg Junction Box Symbol Junction box wiring electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-containment-symbols 2026-05-18 https://www.elec-mate.com/symbols/containment/conduit.svg Conduit Symbol Electrical conduit containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/trunking.svg Trunking Symbol Cable trunking containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/busbar-trunking.svg Busbar Trunking Symbol Busbar trunking distribution containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/cable-tray.svg Cable Tray Symbol Cable tray containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/cable-tray-drop.svg Cable Tray Drop Symbol Cable tray drop riser containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/floor-trunking.svg Floor Trunking Symbol Floor trunking surface containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/underfloor-trunking.svg Underfloor Trunking Symbol Underfloor trunking buried containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/riser.svg Vertical Riser Symbol Vertical electrical riser containment symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/containment/floor-box-multi.svg Floor Box (Multi-Service) Symbol Floor box multi-service outlet electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-equipment-symbols 2026-05-18 https://www.elec-mate.com/symbols/equipment/motor.svg Electric Motor Symbol Electric motor electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/transformer.svg Transformer Symbol Electrical transformer step-down electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/ups.svg UPS (Uninterruptible Power Supply) Symbol UPS uninterruptible power supply electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/sub-main.svg Sub-Main Symbol Sub-main supply cable electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/fan.svg Industrial Fan Symbol Industrial extraction fan electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/pump.svg Pump Symbol Electrical pump motor electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/ahu.svg Air Handling Unit (AHU) Symbol Air handling unit AHU electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/lift.svg Lift / Elevator Symbol Lift elevator electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/equipment/panel-board.svg Panel Board (Motor Control Centre) Symbol Motor control centre MCC panel board electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-mechanical-symbols 2026-05-18 https://www.elec-mate.com/symbols/mechanical/boiler.svg Boiler Symbol Gas oil boiler electrical supply symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/water-heater.svg Water Heater (Immersion) Symbol Electric water heater immersion electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/panel-heater.svg Panel Heater Symbol Electric panel heater wall heater electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/air-conditioning.svg Air Conditioning Unit Symbol Air conditioning unit split system electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/fan-coil-unit.svg Fan Coil Unit (FCU) Symbol Fan coil unit FCU HVAC electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/towel-rail.svg Electric Towel Rail Symbol Electric towel rail bathroom electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/heater.svg Heater (General) Symbol Electric heater electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/mechanical/hand-dryer.svg Hand Dryer Symbol Electric hand dryer electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-renewables-symbols 2026-05-18 https://www.elec-mate.com/symbols/renewables/solar-panel.svg Solar PV Panel Symbol Solar photovoltaic PV panel electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/renewables/inverter.svg PV Inverter Symbol Solar PV inverter DC-AC electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/renewables/battery.svg Battery Storage Symbol Battery energy storage system BESS electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/renewables/ev-distribution.svg EV Distribution Board Symbol EV charger distribution board electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/renewables/generator.svg Generator Symbol Generator backup power electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-controls-symbols 2026-05-18 https://www.elec-mate.com/symbols/controls/bms-controller.svg BMS Controller Symbol Building management system BMS controller electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/controls/control-panel.svg Control Panel Symbol Electrical control panel electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/controls/lighting-control.svg Lighting Control Module Symbol Lighting control module DALI KNX electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/controls/sensor.svg Generic Sensor Symbol BMS sensor occupancy temperature electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/controls/humidity-sensor.svg Humidity Sensor Symbol Humidity sensor electrical symbol BS EN 60617 https://www.elec-mate.com/terms https://www.elec-mate.com/guides/electrical-architectural-symbols 2026-05-18 https://www.elec-mate.com/symbols/architectural/door-left.svg Door (Hinged Left) Symbol Door left-hinged architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/door-right.svg Door (Hinged Right) Symbol Door right-hinged architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/door-double.svg Double Door Symbol Double door architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/window.svg Window Symbol Window architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/stairs.svg Stairs Symbol Stairs architectural symbol electrical drawing https://www.elec-mate.com/terms https://www.elec-mate.com/symbols/architectural/north-arrow.svg North Arrow Symbol North arrow compass orientation drawing symbol https://www.elec-mate.com/terms https://www.elec-mate.com/guides/rcd-symbol 2026-05-18 https://www.elec-mate.com/symbols/distribution/rcd.svg RCD (Residual Current Device) — BS EN 60617 Electrical Symbol A Residual Current Device to BS EN 61008. Detects imbalance between live and neutral (earth-fault leakage) and trips. 30 mA RCDs provide additional protection against electric shock. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/rcbo-symbol 2026-05-18 https://www.elec-mate.com/symbols/distribution/rcbo.svg RCBO (RCD + MCB Combined) — BS EN 60617 Electrical Symbol A Residual Current Breaker with Overcurrent protection to BS EN 61009. Combines RCD + MCB in one device. Each circuit has individual earth fault and overload protection. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/mcb-symbol 2026-05-18 https://www.elec-mate.com/symbols/distribution/mcb.svg MCB (Miniature Circuit Breaker) — BS EN 60617 Electrical Symbol A Miniature Circuit Breaker to BS EN 60898. Protects against overload and short-circuit fault current. Types B, C and D differentiate by magnetic trip characteristic. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/spd-symbol 2026-05-18 https://www.elec-mate.com/symbols/distribution/spd.svg SPD (Surge Protection Device) — BS EN 60617 Electrical Symbol A Surge Protective Device to BS EN 61643-11. Type 1 (lightning current), Type 2 (transient overvoltage), Type 3 (point of use). BS 7671 443.4 risk assessment usually requires Type 2 at origin. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/2way-switch-symbol 2026-05-18 https://www.elec-mate.com/symbols/switches/2way.svg Two-Way Switch — BS EN 60617 Electrical Symbol A switch with two fixed contacts and one common, allowing control of the same load from two locations. Always used in pairs with a second 2-way switch (e.g. staircase, hall-and-landing). https://www.elec-mate.com/terms https://www.elec-mate.com/guides/1way-switch-symbol 2026-05-18 https://www.elec-mate.com/symbols/switches/1way.svg One-Way Switch — BS EN 60617 Electrical Symbol A single switch that breaks or makes the live conductor to a load from one position. The most common domestic switch — used for a single lighting circuit controlled from one location. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/intermediate-switch-symbol 2026-05-18 https://www.elec-mate.com/symbols/switches/intermediate.svg Intermediate Switch — BS EN 60617 Electrical Symbol A four-terminal switch wired between two 2-way switches to give control from three or more locations. The strappers cross over inside the switch. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/dimmer-switch-symbol 2026-05-18 https://www.elec-mate.com/symbols/switches/dimmer.svg Dimmer Switch — BS EN 60617 Electrical Symbol A switch with a variable resistor or electronic dimming module that controls light output. Specify type — leading-edge for incandescent, trailing-edge or LED-rated for modern LED drivers. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/double-13a-socket-symbol 2026-05-18 https://www.elec-mate.com/symbols/sockets/double-13a.svg Double 13A Socket Outlet — BS EN 60617 Electrical Symbol A twin 13A switched socket — two outlets on one back box. Drawn as two semicircles back-to-back. Standard outlet for living spaces, bedrooms and offices. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/single-13a-socket-symbol 2026-05-18 https://www.elec-mate.com/symbols/sockets/single-13a.svg Single 13A Socket Outlet — BS EN 60617 Electrical Symbol A single 13A switched socket to BS 1363. The basic socket symbol — a semicircle with a line indicating switched. UK standard for general-purpose socket circuits. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/fused-spur-symbol 2026-05-18 https://www.elec-mate.com/symbols/sockets/fused-spur.svg Fused Spur (Unswitched) — BS EN 60617 Electrical Symbol A Fused Connection Unit (FCU) with internal fuse providing local protection for a fixed appliance. Unswitched version — no front rocker. Used where switching is not needed at the spur. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/switched-fused-spur-symbol 2026-05-18 https://www.elec-mate.com/symbols/sockets/switched-fused-spur.svg Switched Fused Spur — BS EN 60617 Electrical Symbol A Fused Connection Unit with a front-panel switch + neon indicator. Allows local isolation of the fixed appliance without resorting to the consumer unit. Most common FCU type. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/isolator-switch-symbol 2026-05-18 https://www.elec-mate.com/symbols/switches/isolator.svg Isolator (Switch-Disconnector) — BS EN 60617 Electrical Symbol A switching device that fully isolates a circuit or item of equipment for maintenance. Must be lockable in the OFF position per BS 7671 Section 537. Different from a functional switch. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/emergency-stop-symbol 2026-05-18 https://www.elec-mate.com/symbols/switches/emergency-stop.svg Emergency Stop (E-Stop) — BS EN 60617 Electrical Symbol A latching push-button that immediately disconnects supply to dangerous equipment. Mushroom head, red on yellow background. Must be reset deliberately — twist-release or key-reset. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/smoke-detector-symbol 2026-05-18 https://www.elec-mate.com/symbols/safety/smoke-detector.svg Smoke Detector — BS EN 60617 Electrical Symbol 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. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/fire-alarm-symbol 2026-05-18 https://www.elec-mate.com/symbols/safety/fire-alarm.svg Fire Alarm Sounder — BS EN 60617 Electrical Symbol 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. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/break-glass-symbol 2026-05-18 https://www.elec-mate.com/symbols/safety/break-glass.svg Manual Call Point (Break Glass) — BS EN 60617 Electrical Symbol 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. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/exit-sign-symbol 2026-05-18 https://www.elec-mate.com/symbols/lighting/exit-sign.svg Exit Sign — BS EN 60617 Electrical Symbol A maintained or non-maintained emergency exit sign to BS EN 1838. Indicates the direction of escape; runs on battery during mains failure for at least 3 hours per BS 5266. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/emergency-light-symbol 2026-05-18 https://www.elec-mate.com/symbols/lighting/emergency-light.svg Emergency Light — BS EN 60617 Electrical Symbol A non-maintained emergency light to BS 5266. Off in normal use; switches on automatically when the mains supply fails. Tested monthly and annually per BS 5266-1. https://www.elec-mate.com/terms https://www.elec-mate.com/guides/consumer-unit-symbol 2026-05-18 https://www.elec-mate.com/symbols/distribution/consumer-unit.svg Consumer Unit — BS EN 60617 Electrical Symbol A domestic consumer unit (fuseboard) to BS EN 61439-3. Houses the main switch, RCD/RCBO/MCB protective devices, and (since 2018) SPD and AFDD where required. https://www.elec-mate.com/terms