Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
866

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
FMC Coupling and Connector Requirements
Article 348 covers the use, installation, and construction specifications for flexible metal conduit (FMC) and its associated fittings.
Enclosures Installed in Damp and Wet Locations
Article 312 covers the installation and construction specifications of cabinets, cutout boxes and meter socket enclosures.
Code Q&A: Adjusting Ampacity of NM Cable  4
Q. When walls are insulated by filling them with spray-applied polyurethane foam insulation — or other types of insulation — must the ampacity of Type NM cable in that wall be adjusted?
Bonding & Grounding Communications Circuits
Article 800 covers communications circuits and equipment.
Installing Junction Box Near Wall of Permanently Installed Pool
Location of junction box near permanently installed pool
Appliance Branch-Circuit Overcurrent Protection
Article 422 covers electrical appliances used in any occupancy.
Exposed Open Wiring on Insulator Systems
Article 398 covers the use, installation, and construction specifications of open wiring on insulators.
Lighting Outlet Requirements in Attics and Underfloor Spaces
Article 210 of the 2014 NEC covers the requirements for branch circuits. Receptacle outlets shall be installed as specified in Sections 210.52 through 210.64.
Marking Requirements for Circuit Breakers Used as Switches
Parts I through VII of Art. 240 provide the general requirements for overcurrent protection and overcurrent protective devices not more than 1,000V, nominal.
Approved Wiring Methods in Ducts
Article 300 covers the general requirements for wiring methods for all wiring methods, unless modified by other Articles in the Code.
Types of Approved Motor Disconnecting Means
Part VIII of Article 430 is specific to motor control centers.
Use of Isolated Ground Receptacles
The provisions of Art. 517 apply to construction criteria in health care facilities that provide services to human beings.
Antenna Conductor Mounting Requirements
Article 810 covers the installation requirements for radio and television equipment.
Code Q&A: Sizing a Grounding Electrode Conductor  3
Q. How is the grounding electrode conductor (GEC) sized when it’s to be connected to a concrete-encased electrode?
Approved Wiring Methods for PV Systems
Part IV of Article 690 focuses on approved wiring methods for PV systems.
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