For anyone working with electrical installations, the 18th Edition of the Wiring Regulations (BS 7671) is a fundamental requirement. Yet one of the most common questions we hear at PTT is whether an electrician needs to attend a full training course or whether taking the exam alone is sufficient. This question often comes up not only from experienced electricians, but also from those looking to retrain as an electrician, particularly if they already have some prior electrical knowledge or related experience. This article will hopefully answer the question if it is one you have asked yourself.
What does the 18th Edition course assess?
The 18th Edition qualification is designed to confirm a working knowledge of BS 7671, including how the regulations are structured, interpreted, and applied. The exam tests your understanding across a wide range of topics, such as protection, equipment selections and installation, earthing and bonding, inspection and testing, and requirements for special installations. What the assessment does not do is teach the regulations from scratch. It assumes that candidates are already familiar with electrical principles and installations. The course is designed to navigate and interpret the regulations confidently under exam conditions.
When an exam-only route may be appropriate?
For experienced electricians who regularly work with the Wiring Regulations and are simply updating from a previous edition, an exam-only route might be appropriate. This is typically the case if you are already comfortable using BS 7671 and only need to demonstrate that your knowledge is current. In these situations, preparation may involve independent study and revision rather than formal classroom training before taking the exam.
Continuing Professional Development
The wiring regulations undergo regular amendments. Employers, regulatory bodies and institutions will expect electricians to maintain up to date knowledge of the regulations and amendments. Attending a course to update your knowledge of the current regulations and amendments is a way of ensuring your knowledge and professional development remain current without necessarily taking an exam.
When a full course is the better option?
However, for people who are new to the industry, returning after time away, or looking to retrain as an electrician from another trade, a full 18th Edition course is usually the better route. The course provides structured guidance on how the regulations are laid out, how questions are framed, and how requirements apply in real installation scenarios. This is beneficial for candidates who may not yet be familiar with the language and logic of BS 7671, even if they have related technical experience.
The risk of choosing the wrong route
Opting for an exam-only route without sufficient familiarity with the regulations can lead to disappointing outcomes, and potentially the frustration of failing the exam. You may struggle not because you necessarily lack ability, but because you’re unfamiliar with how the regulations are organised and how the exam questions are structured. From a compliance perspective, the aim isn’t just to ‘pass the exam’, but to understand how to apply the regulations correctly in practice. This is where structured training adds value beyond the certificate itself.
Making the right decision for your career
Ultimately, choosing between a course and an exam-only route should be based on your current knowledge, recent experience, and confidence using the Wiring Regulations. If you are looking to retrain as an electrician, structured training provides a stronger foundation and reduces the risk of gaps in understanding, while for more experienced electricians updating their qualification, an exam-only option may be sufficient, provided your knowledge is already current and well maintained.
To find out more, please contact one of our PTT training specialists today by clicking here.
