Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
956

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
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  2
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 
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
Code Q&A: Branch Circuit Requirements 
What does the Code require for branch circuits that supply more than one receptacle?
Article 695 and Fire Pumps 
In the NEC, the normal philosophy for circuit protection is to shut down equipment before allowing the supply conductors to overheat.
Stumped by the Code? Defining Overcurrent 
Q. What does the Code mean by “overcurrent”?
Code Q&A: Branch Circuit Overcurrent Protection 
What is the minimum size requirement for branch-circuit overcurrent protection?
Code Q&A: GFCI Requirements in Other Than Dwelling Units  4
NEC guidelines on GFCI requirements in locations other than dwelling units
Stumped by the Code? Requirements for sizing equipment grounding conductors to a motor branch circuit 
Q. How do I size the equipment grounding conductor to a motor branch circuit?
Article 690, Solar Photovoltaic Systems — Part 3  1
We can summarize the rules for circuit sizing and overcurrent protection of PV circuits as follows
Code Q&A: Household Ranges and Cooking Appliances 
NEC guidelines on supplementary overcurrent protection
Electrical Testing Feed
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