The IET Wiring Regulations is the national standard for electrical installations in domestic, commercial and industrial settings. It is the essential standard for all those concerned with the design, installation, certification and maintenance of electrical installations. Amendment 2:2022 is a major update to BS 7671:2018, The IET Wiring Regulations, Eighteenth Edition.

• Introduction to BS 7671:2018
• Introduction to Amendment 1:2020
• Introduction to Amendment 2:2022
• Part 1: Scope, object and fundamental principles
• Chapter 11: Scope
• Chapter 12: Object and effects
• Chapter 13: Fundamental principles
• Part 2: Definitions
• Part 3: Assessment of general characteristics
• Chapter 30: Assessment of general characteristics
• Chapter 31: Purposes, supplies and structure
• Chapter 32: Classification of external influences
• Chapter 33: Compatibility
• Chapter 34: Maintainability
• Chapter 35: Safety services
• Chapter 36: Continuity of service
• Part 4: Protection for safety
• Chapter 41: Protection against electric shock
• Chapter 42: Protection against thermal effects
• Chapter 43: Protection against overcurrent
• Chapter 44: Protection against voltage disturbances and electromagnetic disturbances
• Chapter 46: Isolation and switching
• Part 5: Selection and erection of equipment
• Chapter 51: Common rules
• Chapter 52: Selection and erection of wiring systems
• Chapter 53: Protection, isolation, switching, control and monitoring
• Chapter 54: Earthing arrangements and protective conductors
• Chapter 55: Other equipment
• Chapter 56: Safety services
• Part 6: Inspection and testing
• Chapter 61: Not used
• Chapter 62: Not used
• Chapter 63: Not used
• Chapter 64: Initial verification
• Chapter 65: Periodic inspection and testing
• Part 7: Special installations or locations
• Section 700 General
• Section 701: Locations containing a bath or shower
• Section 702: Swimming pools and other basins
• Section 703: Rooms and cabins containing sauna heaters
• Section 704: Construction and demolition site installations
• Section 705: Agricultural and horticultural premises
• Section 706: Conducting locations with restricted movement
• Section 708: Electrical installations in caravan / camping parks and similar locations
• Section 709: Marinas and similar locations
• Section 710: Medical locations
• Section 711: Exhibitions, shows and stands
• Section 712: Solar photovoltaic (pv) power supply systems
• Section 714: Outdoor lighting installations
• Section 715: Extra-low voltage lighting installations
• Section 717: Mobile or transportable units
• Section 721: Electrical installations in caravans and motor caravans
• Section 722: Electric vehicle charging installations
• Section 729: Operating and maintenance gangways
• Section 730: Onshore units of electrical shore connections for inland navigation vessels
• Section 740: Temporary electrical installations for structures, amusement devices and booths at fairgrounds, amusement parks and circuses
• Section 753: Heating cables and embedded heating systems
• Appendices
• 1: British standards to which reference is made in BS 7671
• 2: Statutory regulations and associated memoranda
• 3: Time/current characteristics of overcurrent protective devices
• 4: Current-carrying capacity and voltage drop for cables
• 5: Classification of external influences
• 6: Model forms for certification and reporting
• 7: Deleted by BS 7671:2018+A2:2022
• 8: Current-carrying capacity and voltage drop for busbar trunking and powertrack systems
• 9: Definitions - multiple source, DC and other systems
• 10: Protection of conductors in parallel against overcurrent
• 11: Warning and user instruction labels
• 12: Not used
• 13: Escape routes and fire protection
• 14: Determination of prospective fault current
• 15: Ring and radial final circuit arrangements, Regulation 433.1
• 16: Devices for protection against overvoltage
• 17: Energy efficiency
• Table of figures
• Table of tables
• Index