Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
712

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
Equipment Secured to Grounded Metal Supports
Part VII of Article 250 focuses on the methods of equipment grounding.
Open Wiring Exposed to Physical Damage
Article 398 covers the use, installation, and construction specifications of open wiring on insulators.
IT Cables Under Raised Floors
Article 645 covers equipment, power-supply wiring, equipment interconnecting wiring, and grounding of IT equipment and systems in an IT equipment room.
Receptacles in Wet Locations
Article 406 covers the rating, type, and installation of receptacles, cord connectors, and attachment plugs (cord caps).
Class 3 Circuit Protection
Article 725 covers remote-control, signaling, and power-limited circuits that are not an integral part of a device or appliance.
Pool Circulation and Sanitation Systems 1
The requirements for permanently installed pools are outlined in Part II of Art. 680.
General Requirements in Hazardous (Classified) Locations
General requirements for electrical and electronic equipment installed in hazardous (classified) locations can be found in Sec. 500.4 of Art. 500.
Approved Uses of Neutral Conductors
Article 200 focuses on the use and identification of grounded conductors.
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.

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