Michael Johnston

Executive Director of Standards, NECA

Michael Johnston is NECA’s executive director of standards and safety. He is chair of the NEC Technical Correlating Committee. He served as a principal representative on NEC CMP-5 representing IAEI for the 2002, 2005, and 2008 cycles and is currently the chair of CMP-5, representing NECA for the 2011, 2014 and 2017 NEC cycles. Mike is a member of the IBEW and has experience as an electrical journeyman wireman, foreman and project superintendant. Mike worked for the International Association of Electrical Inspectors (IAEI) as the director of education, codes and standards for almost 10 years. He also worked as an electrical inspector and electrical inspection field supervisor for the city of Phoenix, Ariz. Johnston is an active member of IAEI, the NFPA Electrical Section, Education Section, the UL Electrical Council, and National Safety Council. Reach him at mj@necanet.org.

Articles by Michael Johnston

January 2017
This article reviews changes in Chapter 4, Equipment for General Use, in the 2017 edition of the National Electrical Code (NEC).
 Visit www.ecmag.com/2017-NEC-significant-changes for this full series.
 422.16(B)(2) Built-in Dishwashers and Trash Compactors
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December 2016
This article reviews changes in Chapter 3, Wiring and Methods and Materials, and Chapter 4, Equipment for General Use, in the 2017 edition of the National Electrical Code (NEC).
 Visit www.ecmag.com/2017-NEC-significant-changes for this full series.
 336.10 Uses Permitted
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November 2016
This article is part 4 in a series that reviews some of the more significant revisions and new requirements in the next National Electrical Code (NEC). Part 4 provides a review of some significant changes in articles contained in Chapter 2, Wiring and Protection, and Chapter 3, Wiring and Methods and Materials.
 Visit www.ecmag.com/2017-NEC-significant-changes for this full series.
 READ MORE
October 2016
This article is the third part in a series that provides a review of the more significant revisions and new requirements included in the 2017 edition of the National Electrical Code (NEC). This part provides a review of some significant changes in the articles in Chapter 2, Wiring and Protection.
 Visit www.ecmag.com/2017-NEC-significant-changes for this full series.
 READ MORE
September 2016
This article is part 2 in a series that examines some of the more significant revisions and new requirements in the 2017 National Electrical Code (NEC). This piece reviews some significant changes in Articles 100 and 110.
 Visit www.ecmag.com/2017-NEC-significant-changes for this full series.
 Article 100­—Definitions
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August 2016
Every three years, the National Electrical Code (NEC) is revised and often expanded. As the 2017 NEC development cycle comes to a close, the final stages of the process unfold. This article is the first in a series that will provide a concise look at some of the significant revisions and new requirements included in this edition. READ MORE
July 2016
The National Electrical Code (NEC) contains the minimum requirements for a safe installation. One must do at least that much when installing electrical equipment and systems. This means understanding how to size electrical conductors of circuits, including the equipment grounding conductors (EGCs). READ MORE
June 2016
The decision to install and operate an ungrounded system is typically a combined effort that includes a design or engineering team, the owner, the operators and sometimes the authority having jurisdiction. READ MORE
May 2016
Does the National Electrical Code (NEC) require a 480-volt (V), three-phase, 3-wire, delta-connected system to be grounded? No, it is optional. This article examines the NEC’s electrical-system grounding provision. Generally, Code users should understand there are systems that are required to be grounded, systems that are not required to be grounded and systems that must not be grounded. READ MORE

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