• On-the-job reference guide for the professional electrician
  • Highlights common mathematical formulas and equations
  • Contains guidelines and illustrations
  • Includes rules and regulations based on the 2017 National Electric Code
  • On-the-job reference guide for the professional electrician
  • Highlights common mathematical formulas and equations
  • Contains guidelines and illustrations
  • Includes rules and regulations based on the 2017 National Electric Code