Mike Holt

NEC Trainer / Consultant,
Mike Holt Enterprises

Mike earned a masters degree in the Business Administration Program (MBA) from the University of Miami. He earned his reputation as a National Electrical Code (NEC) expert by working his way up through the electrical trade. Formally a construction editor for two different trade publications, Mike started his career as an apprentice electrician and eventually became a master electrician, an electrical inspector, a contractor, and an educator. Since 1975, he has provided custom in-house seminars for groups such as IAEI, NECA, ICBO, IBM, AT&T, Motorola, and the U.S. Navy. Mike has taught more than 1,000 classes on 30 different electrical-related subjects — ranging from alarm installations to exam preparation and voltage drop calculations. He continues to develop seminars, videos, books, and software as well as contributing monthly Code content to EC&M magazine.

Stumped by the Code? February 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. Can I install 120V conductors in the same space with 277V conductors? If the answer is yes, what restrictions apply?
Code Q&A
Q. What are the vertical clearance requirements for overhead conductors over a roof?
Stumped by the Code? January 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. When can I use Table 310.15(B)(6)?
Code Q&A
Q. When I add a GFCI-protected receptacle in an existing circuit that does not have an equipment grounding conductor, can I add additional grounding-type receptacles on the load side of it?
Code Q&A
Q. What is the requirement for the location of receptacle outlets in the bathroom of a dwelling unit?
NEC Guidelines on Commercial Garages 1
Requirements for commercial garages per the National Electrical Code
Code Quandaries, December 2010
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A 1
Q. Does the NEC allow switched receptacle outlets above a suspended ceiling for cord and plug connection of equipment?
Code Q&A
Q. What are the requirements for the point of attachment of a service drop?
Code Q&A
Q. What are the grounding requirements for equipment in a patient care area?
Code Q&A 4
Q. What are the supporting and securing requirements for Type MC cable?
Stumped by the Code? October 2010
Your most pressing National Electrical Code (NEC) questions answered
Solar Photovoltaic Systems — Part 2 2
Part 2 on Applying the electrical requirements in Art. 690 of the National Electrical Code (NEC) for photovoltaic systems
Electrical Testing Feed

EC&M Webinars
Sep 10, 2015

ON DEMAND: An Effective Electrical Safety Program that Delivers

This hour-long webinar will cover the wording in various IEEE recommended practices, NFPA 70E and ANSI Z10 with an emphasis on what it means in terms of designing, implementing and managing an Effective Electrical Safety Program....More
Jul 21, 2015

ON DEMAND: Mitigation Methods for Arc Flash Hazards - Enhancing Personal Safety

The energy released during an arc flash event can result in severe damage to personnel, equipment, and property. While there are solutions which seek to improve the protection for each, this program will focus on personnel....More
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