McGraw-Hill's National Electrical Code 2020 Handbook

The McGraw Hills National Electrical Code (NEC) 2020 Handbook, 30th Edition is the definitive guide to the National Electric Code, thoroughly revised for 2020 rules and regulations. It contains plain-language explanations, advice, and analysis for every provision, with thousands of detailed diagrams and photos. It also features in-depth discussions regarding controversial wording and actual errors, with possible approaches to discussions with inspectors.

\n Format: Hardback
\n Length: 1568 pages
\n Publication date: 03 June 2021
\n Publisher: McGraw-Hill Education
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The National Electric Code (NEC) is a comprehensive set of regulations that governs the installation, operation, and maintenance of electrical systems in the United States. It is updated regularly to ensure that it remains up-to-date with the latest technological advancements and safety standards. The 2020 NEC is the latest edition of the Code, and it contains numerous changes and improvements that are designed to enhance the safety and efficiency of electrical systems.

One of the most significant changes in the 2020 NEC is the increased emphasis on the use of reconditioned equipment. Reconditioned equipment is equipment that has been repaired or refurbished to meet the same safety standards as new equipment. The 2020 NEC requires that all new electrical installations use reconditioned equipment unless it is specifically exempted by the Code. This change is designed to promote the reuse and recycling of electrical equipment, which can help reduce waste and conserve resources.

Another significant change in the 2020 NEC is the expansion of GFCI requirements. GFCIs are devices that are designed to protect against electrical shock by detecting and responding to sudden changes in electrical current. The 2020 NEC requires that GFCIs be installed in a variety of locations, including bathrooms, kitchens, and outdoor areas. This change is designed to reduce the risk of electrical shock and improve the safety of homes and businesses.

The 2020 NEC also contains new receptacle coverage rules for kitchen islands and peninsulas. These rules require that receptacles be installed within a certain distance of these areas to ensure that they are accessible to users. This change is designed to improve the safety of kitchen appliances and reduce the risk of electrical shock.

In addition to these changes, the 2020 NEC contains a total revision of non-dwelling lighting load calculations. These calculations are used to determine the size of electrical service that is required for a building. The 2020 NEC includes new guidelines and formulas that are designed to make these calculations more accurate and easier to use.

Finally, the 2020 NEC eliminates the common enclosures for service disconnects. Service disconnects are devices that are used to disconnect the power from an electrical system. The 2020 NEC requires that service disconnects be located in a separate enclosure that is accessible to users. This change is designed to improve the safety of electrical systems and reduce the risk of electrical shock.

Overall, the 2020 NEC is a significant improvement over previous editions of the Code. It contains numerous changes and improvements that are designed to enhance the safety and efficiency of electrical systems. These changes include the increased emphasis on the use of reconditioned equipment, the expansion of GFCI requirements, the new receptacle coverage rules for kitchen islands and peninsulas, the total revision of non-dwelling lighting load calculations, and the elimination of the common enclosures for service disconnects.

If you are working in the electrical industry, it is important to be familiar with the 2020 NEC and to ensure that you are compliant with its regulations. The best way to ensure compliance is to purchase a copy of the 2020 NEC Handbook, which is published by McGraw-Hill Education. The Handbook contains detailed explanations of the Code's provisions, as well as thousands of detailed diagrams and photos. It is also a companion to the Code itself, and the explanation for any topic lines up exactly with the applicable section in the Code.

In conclusion, the 2020 NEC is a comprehensive set of regulations that governs the installation, operation, and maintenance of electrical systems in the United States. It contains numerous changes and improvements that are designed to enhance the safety and efficiency of electrical systems. If you are working in the electrical industry, it is important to be familiar with the 2020 NEC and to ensure that you are compliant with its regulations. The best way to ensure compliance is to purchase a copy of the 2020 NEC Handbook, which is published by McGraw-Hill Education.

\n Weight: 2444g\n
Dimension: 193 x 241 x 64 (mm)\n
ISBN-13: 9781260474800\n
Edition number: 30 ed\n