Socket Outlet Symbols: BS EN 60617 reference for UK electricians
Every socket outlet symbol used on UK installation drawings — single 13A through to EV chargers and outdoor IP66 — drawn to BS EN 60617 with BS 7671 context.
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Key Takeaways
1UK socket symbols use a semicircle shape — single = one semicircle, double = two semicircles back-to-back. A line through the symbol indicates the socket is switched.
2A Fused Connection Unit (FCU / fused spur) symbol shows the basic socket outline with an integral fuse holder — used to provide local protection for fixed appliances like boilers and extractor fans.
3Shaver sockets are the only socket type permitted inside bathroom zone 2 — the integral isolating transformer (BS EN 61558-2-5) galvanically separates the user from earth.
4EV charger outlet symbols indicate a dedicated BS 7671 Section 722 circuit — must include a Type A RCD or RDC-DD per Regulation 722.531.
5Outdoor IP66 socket symbols specify weatherproof, RCD-protected outlets suitable for garden tools, EV charging from a standard socket, and exterior power.
01 · Symbol Reference
Socket Outlet Symbols — Complete Symbol Set
Below are every socket outlet symbols on the Elec-Mate symbol library, drawn to BS EN 60617. Right-click any symbol to save the SVG, or use the AI Diagram Builder to drag them directly into a circuit drawing.
Single 13A Socket Outlet
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.
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.
Used in: Bedrooms (typically 2-4 doubles), living rooms, kitchens, offices — the workhorse outlet.
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.
Used in: Boilers, extractor fans, central heating pumps, doorbells, fixed wireless access points.
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.
Used in: Towel rails, immersion heaters, garden lighting, alarms, garage door operators.
A connection outlet without integral fuse — relies on the upstream circuit fuse or breaker for protection. Often a flex outlet plate for permanently-wired flex-connected appliances.
A 45A cooker connection point — usually a 45A DP switch with optional 13A socket above the worktop, feeding the cooker outlet plate behind the appliance.
Used in: Electric range cookers, double ovens, hobs over 7.2 kW; supplied on its own radial circuit.
A bathroom-compliant socket with built-in isolating transformer to BS EN 61558-2-5. Permitted in bathroom zone 2 because the transformer galvanically isolates the user from earth.
Used in: Bathrooms, en-suites, hotel rooms — the only socket type permitted in bathroom zones.
A 13A socket outlet with integrated USB-A or USB-C charging ports. Combines mains and low-voltage charging in one back box. Specify USB-C PD for modern devices.
Used in: Bedside, desks, hotel rooms, kitchen islands — anywhere phones and tablets need charging.
A telephone master or extension socket. UK master socket has BT engineer test socket; extensions are wired to the master. Increasingly replaced by RJ45 data sockets.
A communications/networking cabinet — typically a 12U or 18U wall-mounted rack housing the patch panel, network switch, router and structured-cabling termination.
Used in: Loft, plant room, under-stairs; central termination point for all data sockets in a building.
An electric vehicle charge point to BS 7671 Section 722. Typically 7.2 kW single-phase or 22 kW three-phase, with Type 2 (Mennekes) socket or tethered lead.
Used in: Driveways, car parks, fleet depots; needs dedicated circuit + Type A RCD or RDC-DD per 722.531.
A flush-mounted socket installed in the floor — typically a floor box with two 13A sockets and data outlets. Used in open-plan offices where wall outlets are too distant.
Every socket outlet symbol used on UK installation drawings — single 13A through to EV chargers and outdoor IP66 — drawn to BS EN 60617 with BS 7671 context.
Each symbol is drawn to BS EN 60617 — the UK adoption of the international IEC 60617 standard for graphical symbols on electrical diagrams. The same symbols appear on EICR forms, distribution board schedules, single-line schematics and installation layout drawings.
Looking for symbols in a different category? See the full BS EN 60617 symbol library covering switches, sockets, lighting, distribution, safety, containment, equipment, mechanical, renewables, controls and architectural symbols.
Use these symbols in real drawings
The Elec-Mate AI Diagram Builder gives you every BS EN 60617 symbol on a draggable canvas — perfect for circuit diagrams, certificate schedules…
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