Tom Henry's 2020 Ultimate Code Book (Looseleaf)

It took over 6 1/2 hours to personally hi-lite over 3,800 answers to exam questions that have been asked on previous electrical examinations. 
The "ULTIMATE" Looseleaf Code book also includes Tom Henry's BIG SELLER the "KEY WORD INDEX", REMINDER BOOK, 68 "CODE TABS" (installed for you) and the popular "FORMULA INSERT PAGES".