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.

• 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

What’s New

Version 1.3.0

This app has been updated by Apple to use the latest Apple signing certificate.

• User Interface Improvements
• Redesigned Icons and Graphics
• Various Bug Fixes

Ratings and Reviews

4.7 out of 5
29 Ratings

29 Ratings

Mishael Bingham ,

Still the same great app

A few icon changes with the update but otherwise the same as before. Fantastic app, great reference tool, easy to use, great interface.


Exactly what I was hoping for.

A simple list of easy to read connector types, without any fuss. Perfect!

Drumbuqueque ,

Just what I needed.

Easy to navigate, great quick reference tool!

App Privacy

The developer, Summit Electric Supply, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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