Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
834

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
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.
PLFA Conductor Support Requirements
Power-limited fire alarm circuit requirements are outlined in Part III of Article 760.
Approved Cable Types for Temporary Installations
The provisions of Art. 590 apply to temporary electric power and lighting installations.
Ampacity Requirements of Armored Cable
Article 320 covers the use, installation and construction specifications for armored cable.
Use of Type MC-HL Cable in Industrial Establishments
Article 501 covers the requirements for electrical and electronic equipment and wiring for all voltages in Class I, Division 1 and 2 locations.
Motor Controller Functions
Article 430 covers motors, motor circuits and controllers.
Code Q&A: Sizing Bonding Jumper for Parallel Raceways  1
Q. What are the rules for sizing a supply side bonding jumper for parallel raceways?
Service Equipment Location for Mobile Home
The provisions of Art. 550 apply to mobile homes, manufactured homes and mobile home parks.
Electrical Testing Feed
Calpipe Contest
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