Every plant + equipment symbol — motors to UPS, transformers to MCCs — drawn to BS EN 60617 for UK installation, design and maintenance drawings.
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Written and reviewed by Andrew Moore, founder of Elec-Mate, against BS 7671:2018+A4:2026, IET Guidance Note 3 and the IET On-Site Guide.
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UK electricians
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Below are every equipment 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.
An electric motor — typically three-phase induction. Symbol shows a circle with "M" inside. Specify phase, voltage, kW and starter type (DOL, star-delta, soft starter, VFD).
Used in: HVAC fans, pumps, lift drives, escalators, industrial machinery.
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A two-winding transformer — symbol shows two coupled coils. Step-up or step-down depending on turns ratio. Used for LV-LV (e.g. 230-12V) or HV-LV (e.g. 11kV-415V).
Used in: Doorbells, garden lighting (low voltage), 11 kV-415 V substations, isolating transformers.
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An online or line-interactive UPS. Maintains supply to critical loads during mains failure (typically 10-30 minutes) until generator starts or supply restored.
Used in: Data centres, server rooms, hospital ITU, telephone exchanges, security systems.
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A sub-main supply — a cable feeding a distribution board from a higher-level board. Sized to handle the maximum demand of all downstream final circuits.
Used in: Multi-storey commercial, large dwellings, outbuildings, garages; sized for voltage drop on long runs.
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A large-volume fan — axial, centrifugal or in-line. Drawn on plans where the electrical supply termination is shown. Often supplied via local isolator.
Used in: Mechanical extract, HVAC plant rooms, smoke ventilation, industrial process exhaust.
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A pump driven by an electric motor — water, heating circulator, condensate, sewage. Symbol typically shows pump body with electrical termination point.
Used in: Boiler plant, water boosting, pond / pool plant, lift hydraulics, fire-fighting wet risers.
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An air handling unit containing fans, filters, coils and dampers. Electrically intensive — fan motors, heating/cooling coil pumps, controls all need supply.
Used in: Plant rooms serving HVAC for commercial buildings, hospitals, retail, hotels.
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A lift drive — supplied from a dedicated three-phase circuit with its own isolation per BS 7671 Section 530. Lift motor rooms require lockable disconnection.
Used in: Multi-storey commercial + residential; needs locked main isolator inside motor room.
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A motor control centre or control panel housing multiple motor starters, contactors, and overload protection. PLC-controlled in modern installations.
Used in: Industrial plant rooms, water treatment, factory production lines, large HVAC plant.
See all equipment symbols →Every plant + equipment symbol — motors to UPS, transformers to MCCs — drawn to BS EN 60617 for UK installation, design and maintenance drawings.
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.
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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