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  1. v1.8.9iOS
    •   Updated to match the 2026 Edition of the Ugly's Electrical References book
    •   Reflects changes to the 2026 National Electrical Code (NEC)
    •   UI Improvements
  2. v1.3.8Android
    Updated to match the 2026 Edition of the Ugly's Electrical References book
    Reflects changes to the 2026 National Electrical Code (NEC)
  3. v1.8.8iOS
    Video improvements and Bug fixing.
  4. v1.8.7iOS
    Improvements and Bug Fixing
  5. v1.8.6iOS
    •    UI Improvements and Bug Fixing
  6. v1.8.5iOS
    •     In-App update
    •.    Bug Fixing
  7. v1.8.4iOS
    Updated to match the 2023 Edition of the Ugly's Electrical References book
    Reflects changes to the 2023 National Electrical Code (NEC)
  8. v1.8.3iOS
    •	Accessibility feature
    •	Bug fixes.
  9. v1.8.2iOS
    •   Optimise Bookmark Locations
    •   Fix usability issues with ePub
  10. v1.8.1iOS
    Bug Fixing.
  11. v1.8.0iOS
    Featuring new menu designs the Ugly's Electrical References App 2020 has been updated to reflect changes to the 2020 National Electrical Code (NEC) and the 2020 Edition of our popular Ugly’s Electrical References book. The Ugly’s 2020 App offers the most pertinent, up-to-date digital information for electricians, including table change information, mathematical formulas; National Electrical Manufacturers Association (NEMA) wiring configurations; a conduit bending guide with videos, ampacity and conduit fill information, transformer and control circuit wiring diagrams, and conversion tables.
    
    The 2020 Edition:
    •Reflects changes to the 2020 NEC
    •New look and updated menu icons
    •Improved deep linking between menus and content
    •Features expanded coverage of the following topics:
    oJunction Box size calculations
    oSelecting, testing, and using multimeters to measure voltage, resistance, and current
    oSelecting, testing, and using a clamp-on ammeter to measure current
    oSelecting, testing, and using a non-contact voltage tester
    oOverview of important NEC code changes from 2014, 2107, and 2020
    
    *** Please note, with the new book content your existing bookmarks will need to be manually updated ***
  12. v1.7.6iOS
    Bug fixes.
  13. v1.7.5iOS
    Bug fixes and calculator improvements.
  14. v1.7.0iOS
    Added support for iPhone X.
    Bug fixes and performance improvements.
  15. v1.6.5iOS
    Bug fixes and performance improvements.
  16. v1.6.0iOS
    All-new diagrams for DC Motor Terminal Markings, transformer connections, three-phase phase rotation, and updated conduit fill tables and PPE Guidelines.
  17. v1.5.4iOS
    Bug fixes and stability improvements.
    Fixed issue with some purchases not unlocking content properly.
  18. v1.5.3iOS
    Bug fixes.
  19. v1.5.2iOS
    Bug fixes and stability improvements.
  20. v1.5.1iOS
    Bug Fixes.
  21. v1.5.0iOS
    Updated to 2017 edition of Ugly’s Electrical References ebook
    Bug fixes and performance improvements.
  22. v1.1.0iOS
    - Added pinch to zoom in the eBook content
    - Minor bug fixes and performance improvements.

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Ugly's Electrical References, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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