2020 Key Word Index by Tom Henry

Every word in the 2020 Code book put into an index with page numbers. Now you can find it in the 2020 Code in seconds! This book is a great study aid for electrical exams and is specially designed to increase your speed by getting you familiar with those hard to find references in the NEC. The 2020 key word index also includes references for key words not listed in the back of the code book!