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The Ugly's Electrical References App has been updated to reflect changes to the 2026 National Electrical Code (NEC) and the 2026 Edition of our popular Ugly’s Electrical References book. The Ugly’s 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 2026 Edition:
* Reflects changes to the 2026 NEC
* Features expanded coverage of the following topics:
* Full-load currents for 3-phase transformers
* Maximum number of conductors in electrical metallic tubing for trade sizes 5 and 6
* Equipment grounding conductors
* General lighting loads for non-dwelling occupancies
* Overview of important NEC code changes from 2020, 2023 and 2026
Electricians and electrical professionals have used ‘Ugly’s Electrical References’ book as their on-the-job reference for over 35 years. This app will serve you even better in the field today.
FEATURING
Calculators and Interactive Features
• Ohm’s Law Calculator
• Voltage Drop Calculator
• Ampacity Calculator
• To Find: Amps, Watts, Horsepower, KVA
• To Find: Inductance, Impedance, Reactance
• Three-phase AC Motor Data: Starter, Breaker, Heater, Wire, and Conduit Size
• Power Factor Correction
• Full Load Current for Motors and Transformers
• Locked-Rotor Current Calculator
• Offset Bending Calculator
• Conduit Fill Calculator
• Conversions for Area, Length, Temperature, Time, Volume, and Weight
• NEMA Wiring Configurations
*Pinch & Zoom for improved readability
*Conduit Bending Video Tutorials
*Search function helps you quickly find what you need to know
*NEC Updater outlines and explains changes to the National Electrical Code©
*Electrical Safety including definitions, boundaries, procedures, PPE guidance, and life-saving *First aid procedures
*Blueprint symbol identifier
*Bookmark your commonly used screens
*High-definition images and interactive tables that can be zoomed in for detail
*Works offline
*Great for electricians, students, engineers, contractors, maintenance workers, and military
Interested in a buying more than one copy of the Ugly’s Electrical Reference app for your commercially owned devices? Please email info[at]uglys[dot]net for details on volume purchases.
Privacy Policy - http://www.jblearning.com/privacy/
Terms of Service - http://www.jblearning.com/use/
Support – http://www.uglys.net/appsupport
The Ugly’s Electrical Reference app is part of the popular Ugly’s Professional Reference® series, which is an imprint of Jones & Bartlett Learning. National Electrical Code and NFPA 70 are registered trademarks of the National Fire Protection Agency and are not associated with Ugly’s Electrical References in any way.
Product Positioning & Context
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Deep-Dive FAQs
What is Ugly's Electrical References?
Ugly's Electrical References is a digital product or tool described as: Informed Publishing
Where did Ugly's Electrical References originate?
Data for Ugly's Electrical References was aggregated directly from the Apple App Store community ecosystem, representing raw developer and early-adopter sentiment.
When was Ugly's Electrical References publicly launched?
The initial public indexing or launch date for Ugly's Electrical References within our tracked developer communities was recorded on December 9, 2016.
How popular is Ugly's Electrical References?
Ugly's Electrical References has achieved measurable traction, logging over 1,434 reviews and facilitating 4 recorded discussions or engagements.
Which technical categories define Ugly's Electrical References?
Based on metadata extraction, Ugly's Electrical References is categorized under topics such as: Productivity, Utilities.
What are some commercial alternatives to Ugly's Electrical References?
Our semantic intelligence engine identifies potential commercial alternatives in the SaaS space, such as localskills.sh, which offers overlapping value propositions.
How does the creator describe Ugly's Electrical References?
The original author or development team describes the product as follows: "The Ugly's Electrical References App has been updated to reflect changes to the 2026 National Electrical Code (NEC) and the 2026 Edition of our popular Ugly’s Electrical References book. The Ugly’s..."
Community Voice & Feedback
Update made it totally unuseable if you click on item it shows for a second and throws you out and no info is available for anything else made my purchase useless
Very gud
I have had this app for a couple of years now, possibly longer, and used it at least 2-3 times per week. I opened it up today and now the wire ampacity chart interfaces is just GONE. They evidently updated the app sometime last week and now the whole reason I bought it no longer exists. Please Fix this issue immediately or refund me my money since you broke the tool that I use. Also get a support line or respond to the emails.
Search does not work
This app is horrible. Why cant you search key terms? Why cant I find the allowable ampacity table? Wtf
Not sure what’s going on.. i wanted to use this app because it seemed really helpful but every section i try going into (Topics, Conversions, Calculations, etc.) the app force closes and makes me try again. So far, the worst app I’ve bought. Please refund me or fix this. Thanks
I've found this super helpful in the field when I need a reference.
Great App. I love it. Comes in handy when the book isn’t around
It’s an amazing app with a lot of handful calculations and tips that not everyone can remember. But guys enable zoom in the pages, the tables are small and can’t see!!!
Thank you so much for fixing the video bug! There’s just still the bug where the page seems to refresh all the time, now when I watch videos it’ll cut off the video and I’ll have to re-select the video many times before I can even watch it half way through, then it may refresh again. I want this app to be so great, so thank you for listening and fixing the video issue!
The videos for the conduit bending examples don’t load. The sound comes through but no video. iPhone 17 if that helps
Videos do not work on phones screen will go black with only sounds playing
Solid app
The video example demonstrations don’t show . Only audio
El español de los idiomas más importantes en esta era y esta aplicación carece de ello favor y modernizarse a estos tiempos el inglés ya pasó a una opción.
Discovery Source
Apple App Store Aggregated via automated community intelligence tracking.
Tech Stack Dependencies
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Deep Research & Science
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