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
Code Q&A: Supplementary Overcurrent Protection 
NEC guidelines on supplementary overcurrent protection
Code Q&A: Overcurrent Protection for Ungrounded Conductors  2
NEC guidelines on overcurrent protection for ungrounded conductors
Stumped by the Code? Code installation requirements for raceway seals in Class I locations 
Q. What are the Code’s installation requirements for raceway seals in Class I locations?
Article 690, Solar Photovoltaic Systems — Part 2  1
You must provide ground fault protection for DC photovoltaic (PV) arrays
Code Q&A: Branch Circuit Requirements  2
NEC guidelines on whether guest rooms follow the same branch circuit requirements as dwelling units
Stumped by the Code? Code Rule for Sizing Short Circuit and Ground Fault Protection for a Motor Feeder  3
Q. What is the Code rule for sizing short circuit and ground fault protection for a motor feeder?
Article 690, Solar Photovoltaic Systems — Part 1  3
Article 690, consisting of eight Parts, applies to photovoltaic (PV) electrical energy systems, array circuit(s), inverter(s), and charge controller(s) for PV systems.
Code Q&A: Ground Fault Protection of Equipment 
NEC requirements for ground fault protection of equipment
Code Q&A: Branch Circuit Rating 
NEC requirements for branch circuit rating
Code Q&A: Branch Circuit Voltage Limits 
NEC requirements for branch circuit voltage limits
Properly Sizing Conductors and Protective Devices for A/C and Refrigeration Equipment  7
Article 440 applies to electrically driven air-conditioning and refrigeration equipment
Marina Photo
Code Quiz of the Week: No. 23
Take this weekly quiz to test your knowledge of the 2014 National Electrical Code requirements.
Code Q&A: Multiple Branch Circuits  3
NEC requirements for multiple branch circuits
Photo of wall-mounted oven
Code Quiz of the Week: No. 22 1
Take this weekly quiz to test your knowledge of the 2014 National Electrical Code requirements.
Fiber optic cable photo
Code Quiz of the Week: No. 21 1
Take this weekly quiz to test your knowledge of the 2014 National Electrical Code requirements.
Electrical Testing Feed
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