Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
964

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
Branch-Circuit Basics 
Understanding the branch-circuit requirements in Art. 210 is critical to completing Code-compliant installations.
Stumped by the Code? Rules for sizing transformer secondary conductors? 
What are the NEC rules for sizing transformer secondary conductors?
Code Q&A: Location of Overcurrent Protection Devices 
Where does the Code require overcurrent protection to be located in a circuit?
Code Q&A: Additional Branch Circuit Requirements for Dwelling Units  1
In addition to the general lighting circuits and those provided to supply specific loads, what other specific branch circuits are required for a dwelling unit?
Code Q&A: Determining the Minimum Number of Circuits Required 
How do you determine the minimum number of general lighting and general-use branch circuits required by the NEC for dwellings?
Article 725, Class 2 and 3 Circuits 
If the power source is a listed Class 2 transformer or listed Class 2 power supply — or it’s in listed equipment marked to identify the Class 2 power source
Stumped by the Code? Rules for the identification of branch circuit conductors 
Q. What are the Code rules for the identification of branch circuit conductors?
Code Q&A: AFCI Requirements 
Where does the 2014 NEC require arc-fault circuit-interrupter protection?
Stumped by the Code? Defining a Multiwire Branch Circuit 
Q. What does the Code define as a multiwire branch circuit?
2017 National Electrical Code Changes  25
The 2017 NEC was published last month by the NFPA and is now available for all to read. Check out the key changes to this edition of the Code.
Code Q&A: GFCI Protection for Personnel 
What is the Code requirement for GFCI protection in hard wired or receptacle connected in dwellings
Code Q&A: GFCI Protection in Dwelling Units  1
What is the Code requirement for electric vehicle chargers
Article 725, Class 1 Circuits 
Circuits that fall under the requirements of Art. 725 are remote-control, signaling, and power-limited circuits that aren’t an integral part of a device or appliance
Stumped by the Code? Sizing Overcurrent Protection for Conductors  1
Q. What are the Code rules for sizing overcurrent protection for conductors?
Code Q&A: Electric Vehicle Chargers 
What is the Code requirement for electric vehicle chargers
Electrical Testing Feed
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