Every cable containment symbol — conduit through busbar trunking to underfloor systems — drawn to BS EN 60617 with BS EN 61386 and BS EN 50085 cross-references.
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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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Below are every cable containment 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.
A round metal or PVC conduit containing cables. Sizes 16, 20, 25, 32 mm OD per BS EN 61386. Symbol drawn as a single line, often labelled with size and number of cables.
Used in: Surface or buried; commercial wiring, plant rooms, industrial, where cables need protection.
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A rectangular cable enclosure with removable lid. PVC, metal or compartmented. Higher fill capacity than conduit; allows easy cable additions without rewiring.
Used in: Offices, commercial corridors, server rooms; mini-trunking for surface-wired domestic installations.
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A factory-built busbar system to BS EN 61439-6. Tap-off boxes connect distribution boards or large loads along the run. High current capacity, low impedance.
Used in: High-rise risers, factories, large commercial buildings — replaces multiple sub-main cables.
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A perforated metal tray supporting cables along its length. Open-top, allowing heat dissipation. Common sizes 50-600 mm wide.
Used in: Plant rooms, service corridors, ceiling voids in commercial; supports SWA and multi-core cables.
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A vertical section of cable tray dropping from a horizontal run to floor level or equipment. Drawn as a tray with directional indication of descent.
Used in: Drops from ceiling-mounted tray to equipment, riser corners, multi-storey transitions.
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Trunking installed on the floor surface, typically with a low-profile ramp section. Used where furniture layouts demand power and data at floor level.
Used in: Open-plan offices with fixed desk grids, exhibition halls, retail floor displays.
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Trunking cast into the floor screed with periodic outlet boxes for floor sockets. Allows discrete power and data delivery without surface-mounted runs.
Used in: Open-plan offices, conference rooms, retail concourses — installed at the screed pour.
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A vertical shaft containing sub-main cables, busbar trunking, and other services running between floors. Fire-stopped at every floor penetration.
Used in: Multi-storey commercial buildings, hotels, hospitals, residential blocks.
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A flush-mounted floor outlet housing two 13A sockets, one or two RJ45 data outlets, and optional audio/video connections. Hinged lid keeps the floor flush.
Used in: Open-plan offices, conference rooms, restaurant floors — discreet desk-level access.
See all containment symbols →Every cable containment symbol — conduit through busbar trunking to underfloor systems — drawn to BS EN 60617 with BS EN 61386 and BS EN 50085 cross-references.
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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