Find answers in Espanol quickly and easily with this on-the-job reference guide! Updated to the 2005 NEC?, the DEWALT? Spanish Electrical Professional Reference is the standard reference tool for any Spanish-speaking professional working in the electrical industry. It's packed with charts, diagrams, formulas, tables, and current code standards on many aspects of designing and installing electrical services. It also includes valuable information on ampacity, motors, controllers, circuits, overload protection, raceways, wiring, voltage, lighting, and more!