2You want fast, easy access to the latest information -- without sacrificing thorough coverage of essential content. Rosenberg's DEWALT ELECTRICAL PROFESSIONAL REFERENCE - 2020 NEC combines the best of both in a convenient, pocket-sized format. The book covers the knowledge and skills you need as an electrical professional, from motors, transformers and grounding to voltage drops, fastener charts and tools. Its easy-to-read charts, practical illustrations and convenient lay-flat binding make it an ideal hands-free reference while you work. Far more than a classroom text, this comprehensive guide is packed with hundreds of pages of reference materials, making it a vital resource containing everything you need to succeed during your training program, as you start your first job and well into your career.