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Dental practice electrical design for UK practices: load calculations, distribution boards, dedicated circuits for chairs, X-ray, sterilisers and the compressor, and surgery wiring designed to BS 7671, including its requirements for medical locations. You get drawings and schedules a qualified electrician can install, test and certify.
Electrical design worked out from the equipment you will actually run.
Board and supply sizing from real equipment loads with sensible diversity, not rule-of-thumb figures. Each surgery gets its own circuits for the chair and associated equipment, with separate circuits for IT and lighting.
Connection points set from the chair's installation template and the cabinetry drawings, so cables arrive where equipment sits. Decontamination rooms get dedicated circuits for the steriliser and washer-disinfector at worktop height.
BS 7671 has a section for medical locations; dental surgeries are usually classed as Group 1, which affects RCD protection and supplementary bonding. X-ray units get the dedicated supply, isolation and earthing the manufacturer specifies.
LED lighting with high colour rendering in surgeries for shade matching, controls in non-clinical areas and standby management for equipment, cutting running costs without dimming the practice.
How this same expertise plays out on a real dental clinic project.
Recent articles on dental practice design, equipment and patient flow.
How cutting-edge design trends are transforming dental practices, improving patient outcomes, and boosting clinic efficiency through 2026.
How thoughtful design choices can significantly improve patient satisfaction and reduce dental anxiety.
From survey to drawings ready for installation and certification.
Supply capacity, existing boards, earthing arrangements and the latest Electrical Installation Condition Report (EICR) reviewed against your equipment plan.
Itemised loads for chairs, X-ray, sterilisers, compressor, suction, ventilation, cooling and lighting, with diversity and space for future equipment.
Schematic, board schedules, circuit-to-room layouts and earthing and bonding details.
Drawings, specifications and equipment data so electricians quote for the same scope.
Coordination with the network operator if the supply needs upgrading, and review of the installer's BS 7671 certificates at completion.
Common questions about electrical design for UK dental practices.
We list every item and its rated load, from chairs and lights to the compressor, suction, sterilisers, X-ray, cooling and IT, apply diversity for items that rarely run together, then add headroom for future equipment. That tells us whether the existing supply is enough.
Intraoral units usually need a dedicated circuit with a local isolator; OPG and CBCT units often need a larger dedicated supply with low impedance to avoid voltage drop during exposure. We design to the manufacturer's installation requirements and confirm with the supplier.
Most do not need a generator, but a UPS for servers, imaging PCs and sterilisers mid-cycle is sensible. Practices doing sedation or surgery should consider what must keep running in a power cut and size backup to those loads only.
Yes. We start from the EICR and a load check, then plan phased upgrades that keep the practice open: new circuits for added equipment, a new board, improved RCD protection or bonding to bring surgeries up to current BS 7671. Installation is by a qualified electrician who certifies the work.
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