DEWALT Electrical Licensing Exam Guide - Dewalt Exam/Certification Series Author:Ray Holder Completely updated to the 2005 NECŪ, the DEWALTŪ Electrical Certification Exam Guide is a complete and comprehensive electrical exam test preparation guide. This new ?standard? for the electrical industry will help readers prepare to pass the Contractors, Journeyman, Masters, Residential, Maintenance, and Sign licensing exams.