This app provides electrical calculations and references based on the 2017 Electrical Code. It supports multiple code versions and offers features for wire sizing, box fill, conduit fill, residential load calculations, and voltage drop.






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With an average user rating of 4.5★, the electrical wiring pro category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.6★ (33) | No | No | Oct 2026 | ||
| 2 | Free | 3.4★ (8) | No | No | Jun 2026 | ||
| 3 | Free | 4.7★ (2.5K) | No | No | Nov 2026 | ||
| 4 | Free | 3.9★ (7) | No | No | Jun 2026 | ||
| 5 | Free | 4.6★ (198) | No | No | Nov 2026 | ||
| 6 | Free | — | — | No | Oct 2026 | ||
| 7 | Free | 4.6★ (498) | No | Yes | Nov 2026 | ||
| 8 | $4.99 | — | No | No | Jul 2026 |






This app provides electrical calculations and references based on the 2017 Electrical Code. It supports multiple code versions and offers features for wire sizing, box fill, conduit fill, residential load calculations, and voltage drop.





This app provides electrical code and design calculations for professionals working with wiring systems. It includes tools for ampacity, wire sizing, box fill, and conduit fill, based on the 2011 National Electrical Code.




This electronic pocket reference guide provides essential information for electrical professionals. It offers calculations, code tables, and detailed sections on motors, ampacities, grounding, and more, all accessible on your mobile device.