Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
669

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.

Articles
Receptacles in Health Care Facilities
As noted in the scope of Art. 517, "the provisions of this article shall apply to electrical construction and installation criteria in health care facilities that provide services to human beings."
Wiring for Low-Voltage Lighting Systems
Article 411 covers lighting systems and their associated components operating at 30V or less.
Wiring Methods Within Vicinity of Aircraft
Article 513 applies to buildings or structures containing aircraft fuel or where aircraft are serviced or maintained.
Fill Limitation for Surface Metal Raceway
Article 386 covers the use, installation, and construction specifications for surface metal raceways and associated fittings.
Code Q&A: Luminaires in Ducts or Hoods 
Q. What restrictions does the NEC put on the installation of luminaires in commercial cooking hoods?
Overcurrent Protection Requirements for Service Equipment
The overcurrent protection requirements for service equipment are outlined in Part VII of Art. 230.
Coaxial Cable Power Limitations
Article 820 covers coaxial cable distribution of radio frequency signals typically employed in community antenna television (CATV) systems.
Protection of Audio Equipment 2
Article 640 covers equipment and wiring for audio signal processing, amplification, and reproduction equipment.
Lampholders Near Combustible Material
Part VIII of Article 410 focuses on the installation of lampholders.
Dedicated Equipment Space Requirements
All switchboards, panelboards and motor control centers shall be located in dedicated spaces and protected from damage.
Selecting an Appropriate OCPD
Overcurrent protection requirements using circuit breakers are outlined in Part VI of Art. 240.
Grouping of Conductors for PV Systems
PV system installation requirements are outlined in Sec. 690.4 of the 2011 NEC.
Testing Your Cable IQ
Do you know the allowable cable types for this type of installation?
Component Operation in a Solar Photovoltaic System
The provisions of Art. 690 apply to solar photovoltaic (PV) electrical energy systems, including the array circuit(s), inverter(s), and controller(s) for such systems.
Approved Wiring Methods in Class II, Division 2 Locations
Article 502 covers the requirements for electrical and electronic equipment and wiring for all voltages in Class II, Division 1 and 2 locations.

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