Gardner Bender ERB-UG How-To Book, Ugly's Electrical References, Author: George V. Hart, English, Paperback Binding, 186-PageGardner Bender Ugly's Electrical References Revised 2017 Edition is a helpful guide for the professional electrician and electrical minded weekend warrior. The book includes common mathematical formulas and specific rules and regulations from the National Electric Code. The easy to understand format makes it an ideal resource for double checking commonly used equations. Keep on hand as a quick reference for on the job applications. Unit: CD 1 UPC: