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United Kingdom · Wiring Regulations exam

Special locations in BS7671 (Part 7)

They're the places where the general rules aren't enough on their own, from bathrooms and swimming pools to solar PV and EV chargers. Part 7 of BS7671 gathers these special locations, and each section changes or adds to the general requirements in Parts 1 to 6. On the 18th Edition exam, special installations or locations are one of the eight learning outcomes.

Where to study

Updated October 2026 · Written from official sources, listed at the bottom of this page

Which special locations does BS7671 Part 7 cover?

SectionInstallation or location
700General
701Locations containing a bath or shower
702Swimming pools and other basins
703Rooms and cabins containing sauna heaters
704Construction and demolition site installations
705Agricultural and horticultural premises
706Conducting locations with restricted movement
708Caravan and camping parks and similar locations
709Marinas and similar locations
710Medical locations
711Exhibitions, shows and stands
712Solar photovoltaic (PV) power supply systems
714Outdoor lighting installations
715Extra-low voltage lighting installations
716Power over Ethernet (PoE), new in Amendment 4
717Mobile or transportable units
721Caravans and motor caravans
722Electric vehicle charging installations
729Operating and maintenance gangways
730Onshore units of electrical connections for inland navigation vessels
740Temporary installations at fairgrounds, amusement parks and circuses
753Heating cables and embedded heating systems

This list is the one in City & Guilds' 2382‑22 handbook, with Section 716 added. Amendment 4 introduced Section 716 on Power over Ethernet and made a major revision of Section 710, Medical locations.

How Part 7 works

Section 700 explains why Part 7 exists and how its numbering works. Each section's regulations modify or add to the general ones: Section 722, for example, changes the general requirements for protection against electric shock and adds rules on PME supplies, socket-outlets, external influences, isolation and RCD protection for EV chargers.

So for a job in a special location, read the general rules and the Part 7 section together. City & Guilds' learning outcome asks you to interpret how these sections affect the general requirements.

Recent changes to special locations

Amendment 1:2020 rewrote Section 722 on EV charging. Amendment 4:2026 added Section 716 on Power over Ethernet, made a major revision of Section 710, Medical locations, and added a schedule for recording supplementary bonding test results.

What Amendment 4 changed →Amendment 1 and EV charging →

Bathrooms: Section 701

Section 701 has its own zones, IP ratings and RCD rules, and the IET's technical helpline says it often gets questions about it.

Bathroom zones in the 18th Edition →BS7671 and how it's laid out →
Sources: City & Guilds · IET and BSI · IET and 2 more. Checked October 2026.

Rules and fees can change, so check the official site before your test.

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The regulations

BS7671Amendment 4Amendments 1 to 3Certificates and formsBathroom zonesMax Zs valuesConsumer unitsEarth bonding