Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
944

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
Code Q&A: Receptacle Replacement Rules  2
What are the Code rules for receptacle replacement?
Code Q&A: Placing Receptacles in Damp or Wet Locations  2
What are the Code rules for installing receptacles in damp or wet locations?
Commercial Load Calculations — Part 1  2
The NEC contains detailed requirements for calculating service and feeder loads in many types of occupancies.
Code Q&A: Grounding Service-Supplied AC Systems 
What are the rules for grounding and bonding service equipment?
Code Q&A: Vertical Clearance Requirements for Overhead Conductors 
What are the rules for installing outside branch circuits and feeders?
Multifamily Dwelling Unit Load Calculations  2
Though similar, single and multifamily dwellings have distinct differences.
Stumped by the Code? NEC Basic Working Space Requirements for Electrical Equipment 
Q. What are the basic working space requirements for electrical equipment?
Code Q&A: Using the Neutral Conductor as the Circuit Equipment Grounding Conductor  1
What are the rules in using the neutral conductor for bonding of metal parts?
Code Q&A: Allowable Ampacity for Flexible Cords 
NEC rules on the ampacity requirements for flexible cords?
One-Family Dwelling Unit Load Calculations 
efore you can size the branch circuits for a dwelling, you must calculate the loads.
Stumped by the Code? NEC Requirements for a Building Service Disconnecting Means 
Q. What are the requirements for a building service disconnecting means?
Code Q&A: Equipment Terminal Ratings  5
NEC rules on the requirements for conductor sizing as they relate to equipment terminal ratings?
Code Q&A: Panelboard Overcurrent Protection  5
What are the overcurrent protection requirements for panelboards?
Stumped by the Code? NEC Requirements for Sizing Service and Feeder Conductors 
Q. What are the rules for sizing service and feeder conductors to a single dwelling unit?
Code Q&A: Mixing Conductors from Different Voltage Systems  3
What are the rules related to the installation of conductors from different voltage systems — such as 120V, 208V, 240V, 277V, and 480V — in the same raceway or enclosure?
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