Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
708

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: Poles Supporting Luminaires 
Q. What are the NEC rules regarding poles used to support luminaires?
Stumped by the Code? When to Place Two Conductors on the Same Terminal 
Q. When am I permitted to place two conductors on the same terminal?
Meeting Health Care Facility Electrical Requirements  1
Health care facilities differ from other types of occupancies in many important ways. For this reason, they are classified as special occupancies.
Messenger-Supported Wiring
Article 396 covers the use, installation, and construction specifications for messenger-supported wiring.
Know Your Conductor Types
This question tests your knowledge of various conductor types.
Number and Size of Conductors in Raceway
Section 300.17 covers the rules for the number and size of conductors in raceway.
Pool Luminaire Requirements
Part II of Art. 680 covers electrical installations at permanently installed pools.
Wiring Requirements in Agricultural Buildings
The provisions of Art. 547 apply to agricultural buildings or that part of a building or adjacent areas of similar or like nature as specified in 547.1(A) or (B).
Storage Batteries Used for Emergency Power
Article 700 focuses on the installation, operation and maintenance of emergency systems.
Equipment with Threaded Entries
Article 500 covers the installation requirements in hazardous (classified) locations.
Single-Throw Knife Switches
The rules for the position and connection of switches are outlined in Sec. 404.6.
Protection of Direct-Buried Conductors
Wiring method requirements for underground installations are outlined in Sec. 300.5 of the 2011 NEC.
Bathroom Receptacle Outlets
The requirements for outlets on branch circuits can be found in Part III of Art. 210.
Code Q&A: Luminaires in Bath and Shower Areas  4
Q. What are the Code rules for luminaires installed in bathtub and shower areas?
Proper Size Grounding Electrode Conductor
Grounding electrode conductor sizes for use in AC systems
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