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

August 2017
Grounding methods and requirements for systems operating at more than 1,000 volts (V), such as 5- and 15-kilovolt (kV) systems, differ slightly from those for systems of 1,000V or less. Systems in these voltage ranges are commonly referred to as medium-voltage systems. The NEC provides several rules related to the grounding of these systems and associated equipment. READ MORE
July 2017
An equipment grounding conductor (EGC) installed with a branch circuit or feeder circuit performs three important functions in the electrical safety system. EGCs provide a path that connects equipment to ground, thereby performing grounding functions. READ MORE
June 2017
Each new edition of the National Electrical Code (NEC) brings change typically driven by the desire for electrical safety improvements for people and property. The Code provides the minimum requirements for safe electrical installations. Essentially, this means installations must be equal to or greater than the contained rules. With any change comes apprehension—a natural reaction. READ MORE
May 2017
This is the final part in a series that reviews some of the more significant revisions and new requirements included in the 2017 National Electrical Code (NEC). This article looks at more rule changes for special equipment covered in NEC chapters 7 and 8. Visit www.ecmag.com/2017-NEC-significant-changes for this full series.
 700.2 Definitions
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May 2017
As the 2017 NEC development cycle came to a close, we embarked on a ten-part series of articles and a two-part webinar detailing the most significant changes in the 2017 NEC. With the series concluded, this article collects each entry and both webinars into a single location. READ MORE
May 2017
The term “safe” is defined as a state that is secure from the liability to harm, injury, danger or risk. The basic condition of being safe involves actions taken to remain protected or guarded from danger and to reduce risks to the lowest possible level. READ MORE
April 2017
This article provides a review of more significant changes to the rules for special equipment covered in Chapter 6, Special Equipment, of the 2017 National Electrical Code (NEC).
 Visit www.ecmag.com/2017-NEC-significant-changes for this full series.
 600.2 Definitions and 600.34 
PV Powered Signs
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March 2017
This article provides a review of the significant changes to the rules for healthcare facilities contained in Chapter 5, Special Occupancies, in the 2017 edition of the National Electrical Code (NEC).
 Visit www.ecmag.com/2017-NEC-significant-changes for this full series.
 517.2 Governing Body of Health Care Facilities
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February 2017
Before we proceed, in part 3 of this series, the change in Section 230.70(A)(4) dealing with service disconnects on one- and two-family dwellings was reversed during the late stages of the development process and never made it into the 2017 National Electrical Code (NEC). We thank our astute readers who pointed it out.
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