Mike Holt

NEC Trainer / Consultant,
Mike Holt Enterprises

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.

Ground-Fault Protection of Equipment for Emergency Systems
The provisions of Art. 700 apply to the installation of emergency systems.
Ground-Fault Protection of Service Equipment
Article 230 covers service conductors and equipment for control and protection of services.
Receptacle Location Requirements for Water Circulation and Sanitation Systems
Article 680 applies to the installation of swimming pools, fountains and similar installations.
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 
As we saw in Part 1, the correct sizing of conductors is more complicated than it appears.
Outlet Requirements in Hallways of Dwelling Units
Outlet requirements can be found in Part III of Article 210.
Using an Underground Metal Water Pipe as a Grounding Electrode
Part III of Art. 250 focuses on the grounding electrode conductor and grounding electrode system.
Electrical Testing Feed

EC&M Learning Center

Connect With Us

Sponsored Introduction Continue on to (or wait seconds) ×