This little booklet is a must in any electricians tool bag. This booklet is basically the Delmar's book and the code book. i like this book because it focuses on the areas of electrical that you use the most.

This book is all about understanding electricity. Everything you need to understand electricity come in this book, from general safety to capacitors and everything in between. this is one of my most used books.

This book is about all the laws around electrical. What you can and cant do, from mounting specs to box fill and wire sizing.

this book is loaded with info, from materials to wiring techniques and code references