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

April 2009
Low voltage systems are often ungrounded, which is normal, but non-current-carrying metal parts of equipment associated with low voltage systems are generally required to be grounded if the supply system is grounded. This article reviews NEC requirements for grounding low voltage systems. We will also visit NEC provisions that do not permit these systems to be grounded. READ MORE
April 2009
It’s only temporary wiring, so what’s the problem? Ever get the feeling that temporary electrical wiring is treated as an afterthought, if even considered at all? Many electrical workers treat it as though it is less dangerous than permanent electrical installations and those associated hazards. READ MORE
March 2009
This is the second of two articles that provides a glimpse of the significant changes to NFPA 70E—2009. The first appears in the January 2009 issue. This article reviews the balance of Chapter 1 along with changes in Chapters 2 and 3. READ MORE
February 2009
Electrical safety is as much an individual responsibility as it is an organizational responsibility. Employers (contractors) are required to provide a safe workplace for workers, and qualified workers must know how to recognize and avoid electrical hazards to keep them safe. READ MORE
February 2009
Electrical circuits and systems in hazardous ­(classified) locations present challenges for installers. The National Electrical Code (NEC) indicates that hazardous locations are where explosions or fire hazards are possible due to flammable gases, flammable liquid-produced vapors, combustible liquids, combustible liquid-produced vapors, combustible dusts or ignitable fibers/flyings. READ MORE
January 2009
The Occupational Safety and Health Administration (OSHA) requires that employers covered under the Occupational Safety and Health Act of 1970 provide employees an environment that is free from recognized hazards that cause, or are likely to cause, death or serious physical harm (OSHA 29 CFR 1926 and 1910, Section 1903.1). READ MORE
June 2008
How many equipment grounding conductors (paths) are required to be installed for a branch circuit supplying patient care areas when the governing body of the healthcare facility specifies isolated grounding (IG) receptacles for specific medical equipment? This question comes up far too often in the field to be left without a thorough explanation. READ MORE
May 2008
As the 2008 edition of the National Electrical Code (NEC) nears adoption by jurisdictions across the country and beyond, there are rising concerns about changes and additional new requirements. Each edition of the Code brings changes that are driven primarily by the motive of improvements in electrical safety for people and property, the purpose of the Code. READ MORE

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