BS7671, the UK low-voltage wiring regulations, updates in April 2026 with Amendment 4. Guardian’s Matthew Gilmore explains Section 710 for medical locations, including clearer guidance, new information, and the first Equipotential Bonding Busbar inspection template.
BS7671 is the UK low voltage (LV) wiring regulations published by the Institute of Engineering and Technology (IET) in agreement with the British Standard Institution (BSI). The current edition is known as the 18th edition, incorporating Amendment 3. The regulations will be amended in April 2026 with the issue of Amendment 4. Section 710 of BS7671 covers the additional requirements for medical locations. Matthew Gilmore, technical director at Guardian Electrical Compliance, explains medical locations and discusses Section 710 requirements and Amendment 4 updates to help an electrical duty holder meet their legal responsibilities.
Section 710 of BS7671 sets out the additional electrical requirements that must be followed when designing, installing, or maintaining systems supplying medical locations. These requirements are mirrored in Health Technical Memorandums (HTM). The HTMs that cover the requirements are HTM 06-01 — Electrical services supply1 & distribution and HTM 06-02 — Electrical safety guidance for low voltage systems.2 The HTM documents refer readers back to BS7671 for detailed guidance.
They apply to a wide range of facilities, including:
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