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.

Is a SPD the Same as a TVSS? 2
Article 285 covers general requirements and installation & connection requirements for SPDs permanently installed on premises wiring systems 1kV or less.
Testing Legally Required Standby Systems
Article 701 provisions apply to the electrical safety of the installation, operation, and maintenance of legally required standby systems.
NEC Definition of Hospital
The requirements of Art. 517 apply to electrical construction and installation criteria in health care facilities that provide services to human beings.
Space Separation Between Resistors and Reactors
Article 470 covers the installation of separate resistors and reactors on electrical circuits.
Electric Clothes Dryer Loads
The requirements for calculating branch-circuit, feeder, and service loads are outlined in Art. 220.
Edison-base Fuseholder Requirements
Part V of Article 240 focuses on the requirements for plug fuses, fuseholders and adapters.
Disconnecting Means Requirements for X-Ray Equipment
Article 660 covers all X-ray equipment operating at any frequency or voltage for industrial or other non-medical or non-dental use.
Thermal Protection of Fixed Electric Heating Equipment
Article 427 requirements apply to electrically energized heating systems and the installation of these systems used with pipelines or vessels.
Temporary Wiring in Assembly Occupancies
Article 518 covers the requirements for all buildings or portions of buildings where people gather for purposes such as deliberation, worship, entertainment, eating, drinking, amusement, awaiting transportation, or similar purposes.
Bend Radius Restrictions for Type MC Cable
Article 330 covers the use, installation, and construction specifications of metal-clad cable, Type MC.
Code Q&A: Use of Flexible Cords 
Q. What is the general rule that limits the use of flexible cords for the connection of appliances?
Minimum Length of Ground Rod Used With Communications Systems
Grounding methods for communications systems are outlined in Part IV of Art. 800.
Back-fed Circuit Breakers in PV Systems
Article 690 requirements apply to solar PV systems.
Bonding of Conductive Materials and Equipment
The general requirements for bonding and grounding electrical systems are outlined in Sec. 250.4 of the NEC.
Electrical Testing Feed
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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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