This self-study exam prep book is based on the 2017 NEC with 10 practice calculations exams consisting of 25 questions each and a final exam of 100 questions.
This calculations book covers most topics that are included on all journeyman and master electricians exams such as:
- Conductor sizing and protection
- Voltage drop
- Demand loads
- Box and conduit sizing
- Over-current protection
- Residential and commercial load calculations
The text contains the most widely used electrical calculations and formulas the reader needs to pass the journeyman and master electrical competency exam!
About the author: H. Ray Holder is a certified electrical trade instructor who has taught over 30,000 students at the University of Texas at Austin, Austin Community College, Odessa College, Howard College, Technical-Vocational Institute of Albuquerque, and much more including public schools at San Antonio and Fort Worth. With over 50 years in the electrical industry as an apprentice, journeyman, master, field engineer, estimator, business manager, contractor, inspector and instructor, Mr. Holden is the authoritative source for electrical expertise.