About this app
NEC® refers to National Electrical Code®. NEC® and National Electrical Code® are trademarks of the NFPA. The author of this app is not affiliated with the NFPA. NEC Quick Reference iPhone app was created to make the most commonly used information in the National Electrical Code® readily accessible on your phone. It is ideal for electrical engineers and electricians who frequently refer to this information while in the office or at a construction site. There is no substitute for careful engineering judgment and thorough knowledge of the code. Feel free to email comments and suggestions to necapp@elecpe.com
Latest release
What’s New
Per user request increased max 3-phase motor to 500HP for 460V.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 1, 2026 · 5:04 AM $1.99
Screenshots
