The definitive guide to the National Electric Code—thoroughly revised for 2020 rules and regulations Updated to fully align with the 2020 NEC, this trusted on-the-job reference contains plain-language explanations, advice, and analysis for every provision. You will get discussions of the rationale behind specific rules that enhances your understanding of both meaning and application. This handbook features thousands of detailed diagrams and photos as well as in-depth discussions regarding controversial wording and actual errors, together with possible approaches to discussions with inspectors regarding how to cope with these issues. This book is not published by NFPA, and is therefore free to confront such topics head on. Written by a senior member of the NEC Code Committee, McGraw Hill’s National Electrical Code (NEC) 2020 Handbook, 30th Edition is logically arranged and serves as a companion to the Code itself―the explanation for any topic lines up exactly with the applicable section in the Code. The book does not reproduce the Code, and therefore every column inch is devoted to explaining its provisions. You will get straightforward clarification of obtuse rules and vague language, enabling you to work efficiently and safely—and to achieve full compliance. Covers all significant changes to the 2020 NEC, including: Reconditioned equipment Massive expansion of GFCI requirements New receptacle coverage rules for kitchen islands and peninsulas Total revision of non-dwelling lighting load calculations Elimination of common enclosures for service disconnects Exterior emergency disconnects Rules for stair towers New EGC fill calculations for boxes Temperature limits for LFMC and LFNC Latest developments for PV systems

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. Achieve full 2017 NESC(R) compliance with this hands-on guide McGraw-Hill's National Electrical Safety Code(R) (NESC(R)) 2017 Handbook thoroughly explains how to apply and meet the NESC(R) rules for electric supply stations and equipment, as well as overhead and underground electric supply and communications lines. Designed to be used alongside the Code itself, this comprehensive resource has been fully updated to reflect the record number of change proposals for the 2017 NESC(R). Focusing on practical application of the 2017 Code, this Handbook delivers a rule-by-rule annotation of the NESC(R) that clarifies potentially confusing Code text and allows you to perform your work safely and confidently. Hundreds of diagrams, photos, and practical examples make this the most complete and useful handbook available on the topic. COVERAGE INCLUDES: - General Sections Application * Definitions * Grounding Methods - Safety Rules for the Installation and Maintenance of Electric Supply Stations and Equipment - Safety Rules for the Installation and Maintenance of Overhead Electric Supply and Communication Lines - Safety Rules for the Installation and Maintenance of Underground Electric Supply and Communication Lines - Work Rules for the Operation of Electric Supply and Communication Lines and Equipment

The only book of its kind on the market today, this invaluable handbook gives you every essential calculation used in day-to-day electrical construction work - for wiring ... lighting and appliance branch circuits ... feeders for power and light ... motor circuits ... and transformers. With more than 350 detailed illustrations, this updated handbook will enable anyone involved in the electrical construction industry to determine the most efficient and cost-effective approach to the design, layout, installation, operation, and maintenance of electric circuits, systems, and equipment.

A Hands-on Guide to the 2007 NESC® that Clarifies Code Rules for You to Achieve Full Compliance! McGraw-Hill's National Electrical Safety Code® 2007 Handbook delivers a rule-by-rule annotation of the NESC® that clarifies the often confusing Code text and allows you to perform your work confidently and safely. Designed for use with the Code itself, this expert resource guides readers through safety rules for the installation, operation, and maintenance of electrical supply stations and equipment, and also for overhead and underground electric supply and communication lines. Fully updated with all the latest rules, McGraw-Hill's National Electrical Safety Code® 2007 Handbook features: The best complete NESC® annotation currently available A rule-by-rule overview of the entire code Over 500 detailed illustrations and photographs A wealth of practical examples of code applications Concise explanations of controversial rules Inside this Time-Saving, NESC Compliance Tool • General Sections: Definitions • Grounding • Part 1. Rules for Installation and Maintenance of Electric Supply Stations and Equipment: Fences • Safety Signs • Storage • Working Space • Batteries • Transformers and Regulators • Conductors • Circuit Breakers, Reclosers, Switches, and Fuses • Surge Arresters • Part 2. Rules for Installation and Maintenance of Overhead Electric Supply and Communication Lines: Inspections • Clearances • Joint Use • Grades of Construction • Loadings • Strength Requirements • Line Insulation • Part 3. Rules for Installation and Maintenance of Underground Electric Supply and Communication Lines: Underground Conduit Systems • Supply Cable • Cable in Underground Structures • Direct-Buried Cable • Risers • Terminations • Part 4. Rules for Operation of Electric Supply and Communication Lines and Equipment: Employer Rules • Employee Rules • Communication Worker Rules • Supply Worker Rules • OSHA Requirements

Every three years since 1932, electricians have used this Handbook to clarify the National Electrical Code. New to this edition are an article covering requirements for multi-building facilities and descriptions of additional requirements for the proper use of a wide range of equipment.

The Definitive Guide to the 2017 National Electrical Code Completely revised to fully align with the 2017 NEC, McGraw-Hill’s National Electrical Code (NEC) 2017 Handbook, 29th Edition, presents the trusted advice and analysis you need to accurately interpret the latest set of rules. In-depth coverage of the background and rationale for specific rules enhances understanding of the meaning and application of those rules. This practical resource also illustrates key points through discussions with owners and inspectors. Designed to be used as a companion guide to the 2017 NEC itself, this on-the-job reference is arranged in code order, so the explanation for any topic lines up exactly with the applicable section in the code. You will gain access to straightforward, ready-to-apply code clarification, enabling you to work efficiently and safely and achieve full compliance. • Completely updated to cover all changes in the 2017 NEC • Provides concise explanations of controversial rules • Written by a senior member of the NEC steering committee