# NEMA Configuration Guide > Identify NEMA electrical plug and receptacle configurations with detailed specifications. (iPhone/iPad app by Summit Electric Supply.) - Source: https://appshunter.io/ios/app/nema-configuration-guide/id512348776 (this page in markdown: same URL + `.md`) - Developer: [Summit Electric Supply](https://appshunter.io/developer/512348779) - Category: Utilities, Reference - Price: Free - Rating: 4.80/5 from 52 App Store ratings · 5 written reviews indexed - Age rating: 4+ - Requires: iOS 6.0 · 14 MB - Languages: American English - Released: 2012-03-28 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/nema-configuration-guide/id512348776/reviews.md ## What is NEMA Configuration Guide? Identify unknown NEMA receptacle and plug configurations quickly. Find the receptacle or plug configuration you need. Quickly identify an unknown NEMA configuration. Just plug in what you know and view all matching results. Perfect for electricians and electrical professionals in the field or at a jobsite. Summit Electric Supply’s NEMA Configuration Guide puts over 240 NEMA configurations at your fingertips. This app helps you quickly and easily identify your device so you can move on with your project. Search by NEMA configuration number or enter known information such as voltage, amperage or poles to filter for matches. Tap on an icon and view detailed specifications. Use the handy plug/receptacles cross reference option to quickly find matching configurations. Features: • Filter by specifications such as amperage, voltage rating, phase, wires, poles, grounding and more • Compare configurations by image • Quickly jump to the matching plug/receptacle • Over 240 configuration illustrations • Search by NEMA number • View circuit wiring diagrams ## Key features - Identify unknown NEMA configurations - Filter by amperage, voltage, phase, and more - Over 240 configuration illustrations - Search by NEMA number - View circuit wiring diagrams - Cross-reference plugs and receptacles ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/nema-configuration-guide/id512348776/reviews.md ### 5/5 — Love It *2023-11-16* If I want to know for sure that a given plug doesn’t work with an allegedly corresponding receptacle, at least I can now know which wrong equipment I was given… ### 5/5 — Still the same great app *2014-12-06* A few icon changes with the update but otherwise the same as before. Fantastic app, great reference tool, easy to use, great interface. ### 5/5 — Exactly what I was hoping for. *2012-11-30* A simple list of easy to read connector types, without any fuss. Perfect! ### 5/5 — Just what I needed. *2012-09-04* Easy to navigate, great quick reference tool! ### 5/5 — Great App! *2012-04-05* The best reference app out there for plug and receptacle configurations. ## Frequently asked questions about NEMA Configuration Guide ### What is NEMA Configuration Guide used for? NEMA Configuration Guide helps electricians and electrical professionals quickly identify unknown NEMA receptacle and plug configurations. It provides over 240 illustrations and allows filtering by specifications like voltage and amperage. ### How many NEMA configurations does NEMA Configuration Guide include? NEMA Configuration Guide features over 240 NEMA configuration illustrations. Users can search by NEMA number or filter by known specifications to find matching results. ### Can I compare different NEMA configurations in NEMA Configuration Guide? Yes, NEMA Configuration Guide allows you to compare configurations by image. It also offers a plug/receptacle cross-reference option to quickly find matching configurations. ### What kind of specifications can I filter by in NEMA Configuration Guide? You can filter NEMA configurations by specifications such as amperage, voltage rating, phase, wires, poles, and grounding. This helps narrow down results to the specific configuration you need. ### Is NEMA Configuration Guide available on multiple devices? NEMA Configuration Guide is available for iPhone, iPad, and iPod. It is designed to be a handy tool for professionals on the go. ### How often is NEMA Configuration Guide updated? The latest version of NEMA Configuration Guide is 1.3.0, which was last updated on December 5, 2014. While not frequently updated recently, it offers a comprehensive set of tools for its purpose. ### What is the age rating for NEMA Configuration Guide? NEMA Configuration Guide has an age rating of 4+. This indicates it is suitable for a wide audience, including professionals and those learning about electrical configurations. ### Does NEMA Configuration Guide have ads? No, NEMA Configuration Guide does not contain advertisements. It is a free utility app developed by Summit Electric Supply. ## Version history (last 4 releases) ### 1.3.0 — 2014-12-05 This app has been updated by Apple to display the Apple Watch app icon. • User Interface Improvements • Redesigned Icons and Graphics • Various Bug Fixes ### 1.1.39 — 2012-06-18 • Improvements in the User Interface • Additional matching products • Various bug fixes devices on iOS 5.1 ### 1.1.33 — 2012-05-18 New! Added circuit wiring diagrams, filter configurations by horsepower, find matching products for a configuration, and much more. ### 1.0.7 — 2012-03-27 No release notes. ## Apps similar to NEMA Configuration Guide | App | Rating | Price | Category | | --- | --- | --- | --- | | [Mike Holt's Electrical Toolbox](https://appshunter.io/ios/app/mike-holts-electrical-toolbox/id1406630647) | 4.6 (198) | Free | Utilities | | [NEMA Guide](https://appshunter.io/ios/app/nema-guide/id6746103301) | — | Free | Utilities | | [AWG Calculator: Wire Size](https://appshunter.io/ios/app/awg-calculator-wire-size/id1607173204) | 4.6 (67) | Free | Utilities | | [ElectriCalc Pro](https://appshunter.io/ios/app/electricalc-pro/id569677304) | 4.9 (256) | Free | Utilities | | [Partial Reel Calculator](https://appshunter.io/ios/app/partial-reel-calculator/id489177969) | 2.5 (11) | Free | Utilities | | [GreenLight Scanner](https://appshunter.io/ios/app/greenlight-scanner/id1495178299) | 4.6 (11) | Free | Utilities | ## More apps by Summit Electric Supply - [Conduit Fill Tracker](https://appshunter.io/ios/app/conduit-fill-tracker/id591997818) - [Summit Electric Supply](https://appshunter.io/ios/app/summit-electric-supply/id799754958) - [Voltage Drop Calculator Summit](https://appshunter.io/ios/app/voltage-drop-calculator-summit/id1102494411) All apps by Summit Electric Supply: https://appshunter.io/developer/512348779 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*