Best Nema Configuration Guide Apps

103+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

NEMA Guide is the household name in nema configuration guide, but it's far from the only option. We track 103+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Nema Configuration Guide Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1NEMA GuideNEMA GuideFreeNoNoJul 2026
2Leviton Wiring Device SelectorLeviton Wiring Device SelectorFree5.0★ (5)NoNoMay 2026
3Southwire® Conduit Fill CalcSouthwire® Conduit Fill CalcFree4.5★ (746)NoNoSep 2026
4Master Electrician Ref. LiteMaster Electrician Ref. LiteFree4.7★ (2.5K)NoNoSep 2026
5NEMA HotelNEMA HotelFreeNoNoMay 2026
6Mike Holt's Electrical ToolboxMike Holt's Electrical ToolboxFree4.6★ (197)NoNoAug 2026
7NEMA LifeNEMA LifeFree4.5★ (290)NoNoAug 2026
8Nema LoyaltyNema LoyaltyFree2.7★ (3)NoNoSep 2026

Top Picks for Nema Configuration Guide

4.5😊(746 ratings)
Free
Southwire® Conduit Fill Calc screenshot 1
Southwire® Conduit Fill Calc screenshot 2
Southwire® Conduit Fill Calc screenshot 3

This tool assists electricians, engineers, and contractors in determining the correct conduit size based on NEC guidelines. It calculates conduit fill percentages and jam probability, saving time compared to manual calculations.

What We Love

  • 🚀 Quick and easy calculations
  • 👍 User-friendly interface with spin wheel controls
  • 📊 Shows actual fill percentage and NEC compliance
  • 🔧 Ability to add multiple wire sizes simultaneously
  • 💾 Customizable wire data entry
  • ⚡ Saves significant time on job sites
  • 🎯 Accurate calculations (when working properly)
  • 📱 Convenient mobile access to conduit fill information

Room to Improve

  • ⚠️ Accuracy issues reported by multiple users
  • ❌ Limited wire gauge options (missing 16 & 18 AWG)
  • 🔄 Changing conduit type erases conduit size
  • 📉 Jam probability calculations unreliable
  • 🗑️ No data persistence between calculations
  • 🐛 Blank screen crashes on older versions
  • ⚠️ Discrepancies with NEC standards calculations

More Nema Configuration Guide apps to explore

FAQ about Nema Configuration Guide

Are there free nema configuration guide apps for iPhone?
Yes — 20 of the top nema configuration guide apps we rank are free to download, including NEMA Guide and Leviton Wiring Device Selector.
NEMA Guide has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 103+ nema configuration guide apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.