It has been a year since the 18th Edition Wiring Regulations were released


The Senior Technical Support Engineer of ECA or Electrical Contractors Association has recently highlighted some of the challenges and difficulties surrounding the regulations. The new regulations were aimed towards safety, implementation and preparation for the future. However, a year later, some 18th Edition changes are proving harder to implement than others.

Here are some of the most asked about changes that electricians are finding more challenging to implement...

Firstly, Chapter 42 – protection against thermal effects, Regulation 421.1.7. This new Regulation recommends that Arc Fault Detection Devices are installed to help mitigate the risk of fire in AC final circuits in the event of arc faults. They are recommended for premises with sleeping accommodation, and locations with a risk of fire due to the nature of processed or stored materials, such as barns, woodworking shops, or stores of combustible materials.

Next, Chapter 41 – protection against electric shock, Regulation 411.3.4 The application of RCDs has been expanded and revised for certain situations. The Regulation now requires that, within domestic premises, additional protection by an RCD shall be provided for AC final circuits supplying luminaires. This was new, and most likely a response to the many new ways we now use lighting in our homes, with the introduction of LEDs, advanced lighting displays, and the fact that consumers are now able to purchase luminaires and put them up themselves. Another change sees the period between testing RCDs (by pushing the ‘T’ or ‘Test’ button) increased from ‘quarterly’ to ‘six-monthly’, which means that the task can be conveniently done when the clocks are changed.

Lastly, Chapter 44 – Protection against voltage disturbances and electromagnetic disturbances, Regulation 443.4. This amended section now stipulates that protection against overvoltage by means of Surge Protection Devices (SPDs) has to be provided. This is applicable where the consequence of an overvoltage would result in serious injury or loss of life, serious disruption of public services, interruption of industrial activity, or if it would affect a large number of co-located individuals.



If you choose to study the regulations here at Able Skills on one of our 18th Edition courses, you will learn to understand the ins and outs of these new details and the ways to work with and around all the necessary changes!

Our instructors have years of experience working in the electrical field and have seen all the previous regulations, they understand what the regulations entail and can teach you how to work simultaneously with these adjustments to the rules of wiring. These rules are positive and are needed to ultimately progress the entire workforce, don't stress...just choose Able Skills and get to grips with the 18th Edition!


18th Edition Course at Able Skill?


At Able Skills, we offer intensive 3-day 18th Edition courses. This course is entirely classroom-based, it introduces wiring regulations and covers their application through explanation and worked examples. We will ensure that you are fully prepared for the City & Guilds 18th Edition test which is a 2-hour multiple-choice, on-line examination. The exam is 'open book', meaning that you will be able to look up wiring regs and refer to the 18th edition book during the exam process.


More details?


If you need some more information about our 18th Edition courses then you have a couple of options, firstly you can email at Secondly, you can call us directly we would be happy to help! Call 08081003245. Lastly, if you are the kind of person that prefers to talk face-to-face then, by all means, come down to our office, we will show you around and help you to understand anything you are unsure of regarding the 18th Edition courses, show you around and help enrol!