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The BS 7671 is the British standard for wiring regulations for low voltage systems in the UK. Although it is not a statutory document, every electrician or domestic installer will have to, by law demonstrate that they comply with a number of legislative documents. 



Even if you have completed a level 3 NVQ or a previous version of the wiring regulations, you still will have to prove you are conversant with the current standards. So therefore, keeping up to date with the latest wiring regulations satisfies these requirements.

Although the BS 7671 can be a hard book to navigate, our course has been designed in such a way as to ensure that you will have the knowledge to identify and find the topics covered in each of the relevant parts of the book. The course will run over three and a half days and is classroom based. Throughout each of the days, you will gain a good understanding of the key regulations in each part and also how to navigate your way around the book for the others.

18th Edition Course Content:

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This course is designed to bring you up to speed withal the latest 18th Edition wiring regulations including all the latest amendments. You will learn all the key regulations that you will find in day to day installations, as well as understand how to reference your ‘regs’ book for the more obscure ones. The course then culminates in an open book multiple choice exam which allows 2 minutes to answer each question. This means you can take your copy of the BS7671 book into the exam and refer to it as and when required.

A summary of the main changes is given below. (This is not an exhaustive list)

Part 1 Scope, object and fundamental principles Regulation 133.1.3 (Selection of equipment) has been modified and now requires a statement on the Electrical Installation Certificate.

Part 2 Definitions Definitions have been expanded and modified.

Chapter 41 Protection against electric shock Section 411 contains a number of significant changes.

Chapter 42 Protection against thermal effects

Chapter 44 Protection against voltage disturbances and electromagnetic disturbances Section 443

A new Chapter 46 has been introduced. This deals with non-automatic local and remote isolation and switching measures for the prevention or removal of dangers associated with electrical installations or electrically powered equipment. Also, switching for the control of circuits or equipment. Where electrically powered equipment is within the scope of BS EN 60204, only the requirements of that standard apply.

Chapter 52 Selection and erection of wiring systems

Section 534 Devices for protection against overvoltage This section focuses mainly on the requirements for the selection and erection of SPDs for protection against transient overvoltages where required by Section 443, the BS EN 62305 series, or as otherwise stated. Section 534 has been completely revised and the most significant technical change refers to the selection requirements for the voltage protection level.

Chapter 54 Earthing arrangements and protective conductors

Part 6 Inspection and testing has been completely restructured, including the regulation numbering to align with the CENELEC standard. Chapters 61, 62 and 63 have been deleted and the content of these chapters now form two new Chapters 64 and 65.

Section 704 Construction and demolition site installations This section contains a number of small changes, including requirements for external influences (Regulation 704.512.2), and a modification to Regulation 704.410.3.6 concerning the protective measure of electrical separation.

These are just few of the changes that have been made. Please feel free to visit IET here where further information on these changes can be found: https://electrical.theiet.org/media/2027/major-changes_for-website.pdf


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The exam will take place on the third day. This is an open book, computer based exam with a multiple choice format. This exam will last for 2 hours and therefore you will have an average of 2 minutes per question. As part of our sessions, you will work through example exam questions as well as several timed mock tests to fully prepare you for the final examination. As an open book exam, you will be allowed to bring in your copy of the BS 7671 (blue book) so by completing our mock tests, this will give you the invaluable practice in navigating through the book under test conditions. 

Dates Available:

29.05.2019 - London: 3 Day Course

07.06.2019 - West Bromwich: 1 Day Course

24.06.2019 - London: 3 Day Course

26.06.2019 - West Bromwich: 3 Day Course

29.07.2019 - London: 3 Day Course

31.07.2019 - West Bromwich: 3 Day Course

Required Material: 
IET Wiring Regulations (18th Edition BS 7671: 2018) 

Course(s) available:
City and Guilds (2382-18) Level 3 Award in the Requirements for Electrical Installations BS 7671: 2018

EAL Level 3 Award in Requirements for Electrical Installation BS7671: 2018