Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
662

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
Grounding and Bonding — Part 3 of 3

The use of structural metal as a grounding electrode is an issue that has been revised during several recent Code cycles. The 2011 NEC has once again revisited the rule explaining when a structural metal building frame can serve as a grounding electrode.

Stumped by the Code? August 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A 1
Q. What are the disconnecting requirements for a transformer?
Code Q&A
Q. Is it acceptable to install communication cable in the same lighting pole that is being used as a raceway for lighting conductors?
Stumped by the Code? July 2011 2
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. I'm confused. Can you please explain the 25-ft feeder tap rule and provide an example?
Stumped by the Code? June 2011 21
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. What are the grounding requirements for a portable generator?
Code Q&A
Q. What wiring methods are allowed in ducts and other spaces used for environmental air handling?
Stumped by the Code? May 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. When can power distribution blocks be installed in junction boxes?
Code Q&A
Q. What does the NEC require when replacing receptacles in locations that now require arc fault circuit interrupter (AFCI) protection?
Code Q&A
Q. What is the minimum vertical clearance for overhead service conductors above a roof?
Stumped by the Code? April 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. Is an equipment grounding conductor allowed to serve dual duty as a grounding electrode conductor?

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