Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
944

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
Electric Sign Wiring Requirements
National Electrical Code quiz question on electric sign requirements.
Service Conductor Markings
Article 230 outlines the requirements for service conductors and equipment for control and protection of services.
Mobile Home Feeder Capacity
Part III of Art. 550 covers the service and feeder requirements for mobile and manufactured homes.
PV Equipment Grounding Conductors
The grounding requirements for solar photovoltaic (PV) systems are outlined in Part V of Art. 690.
Grounding Requirements for Conductor Enclosures & Raceways
Part IV of Art. 250 covers the bonding and grounding requirements for enclosures, raceways, and service cable connections.
Conductor Clearances to Portable Structures
Article 525 covers the installation of portable wiring and equipment for carnivals, circuses, fairs and similar functions.
Selection of Ampacity
Section 310.15 outlines the requirements for the ampacities of conductors rated between 0V and 2,000V.
Motor Terminal Torque Requirements
Article 430 covers the requirements for motors, motor circuits and controllers.
Code Q&A: Poles Supporting Luminaires  1
Q. What are the NEC rules regarding poles used to support luminaires?
Stumped by the Code? When to Place Two Conductors on the Same Terminal 
Q. When am I permitted to place two conductors on the same terminal?
Meeting Health Care Facility Electrical Requirements  1
Health care facilities differ from other types of occupancies in many important ways. For this reason, they are classified as special occupancies.
Messenger-Supported Wiring
Article 396 covers the use, installation, and construction specifications for messenger-supported wiring.
Know Your Conductor Types
This question tests your knowledge of various conductor types.
Number and Size of Conductors in Raceway
Section 300.17 covers the rules for the number and size of conductors in raceway.
Pool Luminaire Requirements
Part II of Art. 680 covers electrical installations at permanently installed pools.
Electrical Testing Feed

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