Wiring Regulations BS7671

18th edition with blue covers, published in July 2018 and applicable for installations designed from 1 January 2019 onwards.

This video and the text below cover the main changes in Part 5 - Selection and Erection of Equipment.

BS671:2018 book available from Amazon. Note that many older editions are still available, these have different coloured covers. Make sure you are buying the correct version - BS7671:2018, blue cover.

As with the rest of the book, there are many insignificant and minor changes. Such things are not covered in the video or the text below, but they are all indicated in the margin of the book with a vertical line.

BS7671:2018 18th Edition Part 5 Changes

View this video on Youtube.

Changes in Chapter 51

Changes in Chapter 52

Changes in Chapter 53

Chapter 53 has been extensively revised and now covers 41 pages compared to the previous 21 pages.
Due to the large number of changes in this section, it will be covered in a separate document and video.

Changes in Chapter 54

Changes in Chapter 55

Changes in Chapter 56