Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
874

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
Attachment Height of Overhead Service Conductors
The minimum point of attachment of overhead service conductors to a building shall not be less than ______ above finished grade.
Approved Wire Type for Circus and Fair Applications
True or false? When installed indoors for carnivals, circuses, and fairs, flexible cords and flexible cables shall be listed for wet locations and shall be sunlight resistant.
Ground-Fault Protection of Equipment for Emergency Systems
True or false? The alternate source for emergency systems shall have ground-fault protection of equipment.
Ground-Fault Protection of Service Equipment
As defined by Sec. 230.95, the rating of the service disconnect shall be considered to be the rating of the largest _____ that can be installed or the highest continuous current trip setting for which the actual overcurrent device installed in a circuit breaker is rated or can be adjusted.
Receptacle Location Requirements for Water Circulation and Sanitation Systems
Single grounding type, GFCI-protected receptacles that provide power for pump motors related to the circulation and sanitation system of permanently installed pools shall be located at least ____ from the inside walls of the pool.
Securing and Protecting the GEC From Physical Damage
Section 250.64 of the 2014 NEC covers the installation requirements of grounding electrode conducts.
Securing Rules for Metal-Clad Cable
Article 330 covers the use, installation, and construction specifications of metal-clad cable, Type MC.
EMT Coupling and Connector Requirements
Article 358 covers the use, installation, and construction specifications for EMT and associated fittings.
Approved Wiring for Portable Luminaires
Article 410 focuses on luminaires, lampholders and lamps.
Minimum Conductor Size for Antennas
Antenna systems are the focus of Part II of NEC Article 810.
Code Q&A: Tap Conductor Rules in Dwelling Units 
Q. What are the tap conductor requirements to supply household ranges, wall-mounted ovens, and counter-mounted cooking units?
Support of Audio Distribution Cables
Article 640 covers the equipment and wiring for audio signal processing, amplification, and reproduction equipment.
Equipment Protection in Class III Locations
Article 503 covers the requirements for equipment installed in a Class III location.
Fixed Electric Space-Heating Equipment and Receptacle Rules
Article 424 covers fixed electric equipment used for space heating.
The Basics of Conductor Sizing — Part 2  4
As we saw in Part 1, the correct sizing of conductors is more complicated than it appears.
Electrical Testing Feed

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