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
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  2
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.
What's Classified as an Electric Vehicle?
The provisions of Art. 625 cover the electrical conductors and equipment external to an electric vehicle that connect an electric vehicle to a supply of electricity by conductive or inductive means, and the installation of equipment and devices related to electric vehicle charging.
Voltage Drop Limitations on Branch Circuits
Branch-circuit rating rules are covered in Part II of Article 210.
Protection of Open Conductors and Cables
Part IV of Article 230 focuses on service-entrance conductors.
Guarding of Moving Parts
Parts I through VII of Art. 240 provide the general requirements for overcurrent protection and overcurrent protective devices rated less than 1,000V.
Common GEC Requirements with Multiple Separately-Derived Systems
Article 250 covers the general requirements for grounding and bonding.
Methods of Bonding at the Service
Article 250 covers the general requirements for grounding and bonding.
Electrical Testing Feed

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