2023 Understanding the NEC Vol 1-Chapters 90 – 480

Everyone in the Electrical Industry Needs to Master the Code
Our best-selling book, Understanding the NEC Volume 1, makes it easy to learn Articles 90 – 480. Whether you are an electrician in the field who needs to understand how to install safely, or a contractor who wants to make sure their team is installing projects according to Code while also keeping costs down, this book is for you.