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.

Air-Conditioning and Refrigeration Equipment
Article 430, the largest Article in the NEC, is commonly understood to be the “motor” Article
Code Quandaries 1
Q. What are the NEC grounding requirements for satellite dishes?
Code Q&A
Q. What are the GFCI requirements for vending machines?
Code Q&A
Q. Can we use EMT in a masonry wall, or must we use RMC?
Code Q&A
Q. Is the grounding conductor for a TV antenna sized the same as a grounding conductor for a satellite dish?
Code Quandaries
Q. I am having a hard time understanding the rule on how to size the circuit breaker/fuse for a motor that has separate overload protection. Can you please explain this rule?
Code Q&A
Q. Do we still have to bond the deck of an outdoor swimming pool if the deck is constructed of pavers?
Code Q&A
Q. We are being told that we must GFCI protect our receptacle for the washing machine if it is located within 6 ft of the laundry sink.
Pools and Spas — Part 3 of 3 3
How to meet Art. 680 requirements for wiring fountains, pools, and spas per the National Electrical Code (NEC)
Stumped by the Code?
Q. I am having a hard time understanding the feeder tap rules. Can you please show an example of how the 1/10 rule for 10-ft taps applies?
Code Q&A
Q. What are the requirements for grounding metal equipment racks supporting computer servers?
Code Q&A
Q. We are being told that we can’t use PVC conduit underground to provide power to the gasoline pumps we are wiring. Is this true?
Pools and Spas — Part 2 of 3
How to meet Art. 680 requirements for wiring pools and spas per the National Electrical Code (NEC)
Code Quandaries
Q. How does the Code address diesel fuel dispensers as they relate to hazardous locations?
Code Q&A
Q. I am hearing differing opinions about the requirements for bonding steel gas piping. What are the rules for this?
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