This 18th Edition Course 2026 is up to date on the important changes introduced into the Wiring Regulations BS7671 Amendment 4:2026 published in April 2026.

You can use this course to prepare yourself for the new City & Guilds 2382-26 exam or simply use it to bring yourself up to date with changes in the Wiring Regulations.
Included in this course is information on all the major updates on PoE, battery storage, ICT earthing and medical locations.
Included in this course is an 18th Edition A2:2022 2382-26 Practice Exam which includes new questions you will find in the actual City & Guilds 2382-26 exam.
For those who have not studied with us before, we are including our unique exam preparation material.
Who is this course for?
This course is intended for electricians, electrical engineers and anyone involved in the electrical industry who wish to become qualified in the most up-to-date version of the 18th Edition Wiring Regulations, BS7671 A4:2026.
Your motivation for taking this course may be
- to incorporate understanding of Amendment 4 into your work as an electrician and electrical engineer
- to prepare yourself for the City & Guilds 2382-26 exam
Course Content
Part 4: Protection for safety
-
Chapter 41: Protection against electric shock
-
411 Protective measure: Automatic Disconnection of Supply
-
Cmin and how to use it
-
412 - Double or reinforced insulation
-
414 - ELV (Extra Low Voltage)
-
415 - 418 Additional protection
-
419 Regulations if 411.3.2 is not feasible
-
Chapter 42: Protection against thermal effects
-
Chapter 43 - Protection Against Overcurrent
-
431, 432 - Protection according to the nature of circuits and devices
-
433, 434 - Protection against overload and fault current
-
Chapter 44: Protection against voltage disturbances and electromagnet disturbances
-
Chapter 46 Isolation and switching
- Chapter 41: Protection against electric shock
- 411 Protective measure: Automatic Disconnection of Supply
- Cmin and how to use it
- 412 - Double or reinforced insulation
- 414 - ELV (Extra Low Voltage)
- 415 - 418 Additional protection
- 419 Regulations if 411.3.2 is not feasible
- Chapter 42: Protection against thermal effects
- Chapter 43 - Protection Against Overcurrent
- 431, 432 - Protection according to the nature of circuits and devices
- 433, 434 - Protection against overload and fault current
- Chapter 44: Protection against voltage disturbances and electromagnet disturbances
- Chapter 46 Isolation and switching
Part 5 - Selection and erection of equipment
-
Chapter 51: Common Rules - Amd4
-
521 - Types of wiring systems
-
521.10 Installation of cables
-
522 External Influences
-
523, 524 - Current-Carrying Capacities, Cross-Sectional Areas
-
525, 526 - Voltage drop and electrical connections
-
527, 528, 529 Spread of fire, proximity, maintenance
-
Chapter 53 Protection, Isolation, Switching Control, Monitoring
-
531 - 536 Protection
-
534 – (Devices for protection against overvoltage) and 536 – (Coordination of electrical equipment for protection, ...).
-
537 Isolation and switching
-
541, 542 Earthing arrangements
-
543 Protective conductors
-
544 - Protective Bonding Conductors
-
545 - Functional earthing and equipotential bonding for ICT
-
551 - Low voltage generating sets
-
554 - Current-using equipment
-
557 - Auxiliary Circuits
-
559 Luminaires and lighting installations
-
Chapter 56 - Safety Services
- Chapter 51: Common Rules - Amd4
- 521 - Types of wiring systems
- 521.10 Installation of cables
- 522 External Influences
- 523, 524 - Current-Carrying Capacities, Cross-Sectional Areas
- 525, 526 - Voltage drop and electrical connections
- 527, 528, 529 Spread of fire, proximity, maintenance
- Chapter 53 Protection, Isolation, Switching Control, Monitoring
- 531 - 536 Protection
- 534 – (Devices for protection against overvoltage) and 536 – (Coordination of electrical equipment for protection, ...).
- 537 Isolation and switching
- 541, 542 Earthing arrangements
- 543 Protective conductors
- 544 - Protective Bonding Conductors
- 545 - Functional earthing and equipotential bonding for ICT
- 551 - Low voltage generating sets
- 554 - Current-using equipment
- 557 - Auxiliary Circuits
- 559 Luminaires and lighting installations
- Chapter 56 - Safety Services
Part 7: Special installations or locations
-
701: Locations containing a bath or shower
-
702 - Swimming Pools and Other Basins
-
703 - Sauna Heaters
-
704: Construction and Demolition Sites
-
705 - Agricultural and Horticultural Premises
-
706: Conducting Locations with Restricted Movement
-
708 Electrical Installations in Caravan/Camping Parks
-
709 - Marinas
-
710: Medical Locations
-
710 - Medical Locations Amd 4 detailed changes
-
711: Exhibitions, Shows and Stands
-
712: Solar Photovoltaic (PV) Power Supply Systems
-
714 – Outdoor lighting installations
-
715 Extra-low voltage lighting installations
-
716 – Power over Ethernet (PoE)
-
717 - Mobile or Transportable Units
-
721 Electrical Installations in Caravans and Motor Caravans
-
722 Electric Vehicle Charging
-
729 - Operating and Maintenance Gangways
-
730 Onshore units of electrical shore connections for inland navigation vessels
- 701: Locations containing a bath or shower
- 702 - Swimming Pools and Other Basins
- 703 - Sauna Heaters
- 704: Construction and Demolition Sites
- 705 - Agricultural and Horticultural Premises
- 706: Conducting Locations with Restricted Movement
- 708 Electrical Installations in Caravan/Camping Parks
- 709 - Marinas
- 710: Medical Locations
- 710 - Medical Locations Amd 4 detailed changes
- 711: Exhibitions, Shows and Stands
- 712: Solar Photovoltaic (PV) Power Supply Systems
- 714 – Outdoor lighting installations
- 715 Extra-low voltage lighting installations
- 716 – Power over Ethernet (PoE)
- 717 - Mobile or Transportable Units
- 721 Electrical Installations in Caravans and Motor Caravans
- 722 Electric Vehicle Charging
- 729 - Operating and Maintenance Gangways
- 730 Onshore units of electrical shore connections for inland navigation vessels