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.

Code Q&A: Conductor Size for Class 1 Circuits 
Q. What is the smallest conductor allowed by the NEC for Class 1 control and signal circuits?
Radio and Television Equipment — Article 810 
Article 810 contains the installation requirements for the wiring of television and radio receiving equipment.
Code Q&A: NM Cable Rules  3
Q. Can I pull Type NM cable in a PVC sleeve located in a ground floor slab for the kitchen counter island?
Code Q&A: Ground Rod Electrodes  1
Q. What are the requirements related to the use of a ground rod for the grounding electrode system, including sizing of the grounding electrode conductor? (Answer based on 2011 NEC.)
NEC Facts about Fire Alarm Systems 
Article 760 covers the installation of wiring and equipment for fire alarm systems, including circuits controlled and powered by the fire alarm system.
2014 National Electrical Code Changes  27
The 2014 NEC was published last month by the NFPA and is now available for all to read. Check out the key changes to this edition of the Code.
Code Q&A: Understanding Objectionable Current  1
Q. The Code prohibits "objectionable currents;" what is this, what are some examples, and how can it be prevented?
Code Q&A: Grounding and Bonding for Remote Building 3
Q. If I have a feeder to a remote building and I run the conductors in PVC, what are the grounding and bonding requirements for this particular installation?
Stumped by the Code? Requirements for Identifying the High-Leg of a 3-Phase, 4-Wire Connected System 1
Q. What kind of marking does the Code require to identify the high-leg of a 3-phase, 4-wire delta connected system?
Interconnected Electric Power Sources 2
When a facility has more than one power source, what must you do to maintain a safe operation? Article 705 answers that and other questions related to using power sources that operate in parallel with a primary source.
Code Q&A: Handhole Enclosure Requirements
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A: Disconnect Requirements for Ungrounded Conductors
Your most pressing National Electrical Code (NEC) questions answered
EV Charging Systems 1
Applying NEC rules for installing equipment and devices related to electric vehicle charging stations
Code Q&A: Lighting Requirements in Storage Spaces 1
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A: Receptacle Rules in a Kitchen Island 3
Your most pressing National Electrical Code (NEC) questions answered
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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
Jul 14, 2015

ON DEMAND: Understanding the 2015 Edition of NFPA 70E and the Arc Flash Hazard

Get more information on the important changes to the 2015 edition of NFPA 70E. More specifically, this event will address hazard analysis and FR clothing performance testing, focusing on the quantification of incident energy and ATPV (or Arc Rating)....More
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