“Ugly’s Electrical References, 2020 Edition,” is the gold standard reference tool for electrical industry professionals. It offers the most relevant and up-to-date information for electricians, including updated NEC code and table changes, mathematical formulas, NEMA wiring configurations, a conduit bending guide, ampacity and conduit fill information, transformer and control circuit wiring diagrams, and conversion tables. This book is bestseller and top-rated book in our website.

New Features of this Edition:

• Updated to reflect changes in the 2020 National Electrical Code (NEC)
• Expanded coverage of the following topics:
  • Junction box size calculations
  • Selecting, testing, and using multimeters to measure voltage, resistance, and current
  • Selecting, testing, and using a clamp-on ammeter to measure current
  • Selecting, testing, and using a non-contact voltage teste