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 NEC cycle. 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 mjohnston@necanet.org.

Articles by Michael Johnston

June 2015
The development process of the 2017 National Electrical Code (NEC) has begun. In January, 19 Code-making panels (CMPs) held their “first draft” meetings to address roughly 4,000 public inputs (PIs). The NEC is primarily a reactive code that evolves through demonstrated need. In this cycle, a new trend puts the NEC in a more progressive role than in the past, and for good reason. READ MORE
May 2015
Service equipment must have an interrupting rating or short-circuit current (SCC) rating equal to or greater than the amount of available fault current supplied. Any equipment with ratings less than the maximum available fault current supplied by the system is in violation of the National Electrical Code (NEC). READ MORE
March 2015
Advances in medical technology have resulted in more medical appliances and equipment being used in general-care and critical-care patient bed locations. The governing body of the healthcare facility typically determines the level of care in a given area. READ MORE
February 2015
The term “qualified person” has a very broad meaning in a general context. From a simple standpoint, outside of the codes and standards world, it might mean having the qualities, accomplishments, etc., that fit a person for some function, office, or the like. Basically, many people are qualified for various functions or positions, and some are not. READ MORE
January 2015
A reader wrote in that an inspector had turned down one of his projects, citing the installation was in violation of National Electrical Code (NEC) 517.13(A) and (B) because Type MC cable was installed in the patient-care areas. READ MORE
December 2014
During a recent National Electrical Code (NEC) training program, inquiries about ground-fault protection of equipment (GFPE) were raised. Two questions were: Why is ground-fault protection required for large equipment rated at 1,000 volts (V) or less, and what are the requirements for GFPE when the equipment is installed in healthcare distribution systems? READ MORE
November 2014
What does the National Electrical Code (NEC) require when installing isolated/insulated grounding-type receptacles and auxiliary grounding electrodes? Some manufacturers threaten to void warranties unless equipment is connected only to a driven ground rod and not the branch-circuit equipment grounding conductor. This article provides clarification regarding this misinformation. READ MORE
October 2014
The 2014 National Electrical Code (NEC) has new requirements for field-applied hazard warning markings, signs and labels. Throughout the NEC, rules that required signs, labels and other markings also required a specific signal word be included in the sign, label or marking. READ MORE
September 2014
In a recent training presentation, a question came up about the new identification requirements for automatically controlled receptacles. Does the marking need to be on the receptacle face, or is a marking on the faceplate in compliance? Let’s look at these new requirements and the rules that apply. 
 READ MORE

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