If you are an apprentice, buy it. Memorize Part 5 (Selection and Erection of Equipment). If you are a homeowner, don’t buy it—hire an electrician. And if you are a seasoned pro, you already know that despite the headaches, despite the cost of the new amendments, and despite the back pain... we wouldn't wire a plug without it.
Let’s get one thing straight: BS 7671—or as we call it in the van, The Big Red Book —is not a beach read. It is not a page-turner. It is a 500-page manifesto on why your earth rod needs to be exactly 0.5 ohms and why you can’t just "tape over that bare wire." what is bs 7671
⭐⭐⭐⭐ (4/5 Sparks) Deducting one star for back pain and existential dread. If you are an apprentice, buy it