# Conduit – Electrician Calc — Calc + NEC tables. No ads. > Electrician's calculator and reference toolkit with NEC tables, no ads. (iPhone/iPad app by 向 潘.) - Source: https://appshunter.io/ios/app/conduit-electrician-calc/id6763911546 (this page in markdown: same URL + `.md`) - Developer: [向 潘](https://appshunter.io/developer/1437711978) - Category: Utilities, Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 5 MB - Languages: American English, French (France), German (Germany), Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan) - Released: 2026-04-28 - Data updated: 2026-07-23 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/conduit-electrician-calc/id6763911546/reviews.md ## What is Conduit? Built in 2026, not 2012. Conduit is the calculator and reference toolkit for working electricians who are tired of plastic-calculator emulators, ads mid-job, and per-NEC-edition upsells. One-time $14.99. Full Pro toolkit. All NEC editions. Forever. FREE CALCULATORS • Ohm's Law / Power Wheel – V, I, R, P for 1φ, 3φ, kVA/HP/BTU • Unit Converter – Current, Voltage, Power, Length, AWG, Temperature • Wire Color Code – US (NEC) & Canadian (CEC) standards PRO CALCULATORS ($14.99 one-time) • Voltage Drop – 1φ / 3φ / DC with reverse-solve for minimum conductor • Wire Size / Ampacity – NEC 310.16 with temperature & fill derating • Conduit Fill – Ch.9 Tables 1/4/5, multi-conductor mix • Conduit Bending – Offset, saddle, rolling offset, 90° stub REFERENCE TABLES • NEC 310.16 Ampacity (60/75/90°C, Cu & Al) • Ch.9 Table 4 – Conduit cross-sectional areas • Motor FLA Tables (430.247, 430.248, 430.250) WHY CONDUIT? - No ads. Ever. - No accounts. No sign-in. - No per-NEC-edition upsells – 2017, 2020, 2023 all included - No subscription required – $14.99 once, forever - 7-day free trial of Pro - 100% offline – works on any jobsite - Dark mode + Jobsite Red mode - Glove-friendly tap targets — LEGAL — Privacy Policy: https://panxiang1017.github.io/StaticPage/privacy-policy.html Terms of Use (EULA): https://panxiang1017.github.io/StaticPage/terms-of-use.html ## Key features - Ohm's Law and Power Wheel calculator - Unit converter for electrical measurements - Wire color code reference - Voltage drop calculations - Wire size and ampacity calculations - Conduit fill and bending tools - NEC reference tables ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Conduit Pro — Unlock All | $14.99 | one-time | ## Frequently asked questions about Conduit ### Does Conduit have ads? No, Conduit is advertised as having no ads. The developer explicitly states 'No ads. Ever.' and 'No subscription required – $14.99 once, forever'. ### What is the price of Conduit's Pro toolkit? The Pro toolkit for Conduit is available as a one-time purchase of $14.99. This purchase includes all NEC editions and is valid forever. ### Can I use Conduit offline? Yes, Conduit is designed to be 100% offline, ensuring it works on any jobsite without requiring an internet connection. ### What NEC editions are included with Conduit? Conduit includes all NEC editions, specifically mentioning 2017, 2020, and 2023. There are no per-NEC-edition upsells. ### What devices is Conduit available on? Conduit is supported on both iPhone and iPad devices, making it accessible for a wide range of users. ### How often is Conduit updated? The latest version of Conduit is 1.2, and it was last updated on July 6, 2026. The app was built in 2026. ### What is the age rating for Conduit? Conduit has an age rating of 4+, indicating it is suitable for users of all ages. ### Does Conduit require an account or sign-in? No, Conduit does not require any accounts or sign-in. Users can start using the app immediately after installation. ## Version history (last 4 releases) ### 1.3 — 2026-07-15 v1.3 ▸ Residential Load Calc + NEC 2026 ▸ Dwelling Load Calculator (NEC 220) — size a residential service two ways: Standard Method (Part III) and Optional Method (220.82). Enter floor area and appliance ratings; get the calculated load, service current, and recommended service size with full NEC citations. ▸ NEC 2026 edition added — free, forever. No per-edition upsell, ever. ▸ Save any load calc to History and export an inspector-ready PDF. The Dwelling Load Calculator is Pro. NEC 2026 is free for everyone. ### 1.2 — 2026-07-06 New in 1.2: - Calculation history (Pro): save any result with inputs, NEC citations and jobsite notes; restore inputs with one tap - PDF export (Pro): share a clean A4 report of any saved calculation - Global search + Recents: find any calculator or reference table in seconds (ampacity, ground wire...) - New reference tables: 310.16 ampacity and Chapter 9 Table 8 with AWG quick filter - Bender library expanded: RIDGID, Ideal and Gardner take-up/radius constants; new kick bend and 4-point saddle calcs - Pro one-time price lowered to $9.99 ### 1.1 — 2026-05-01 v1.1 ▸ 5 New Calculators ▸ Box Fill (NEC 314.16) - junction box volume calculation ▸ Motor Full-Load Current (NEC 430) - FLC + wire size + OCPD ▸ Transformer Sizing (NEC 450.3) - kVA, primary/secondary current + OCPD ▸ Short Circuit Calculator - simplified point-to-point method ▸ Grounding/EGC Sizing (NEC 250.122) - equipment grounding conductor Box Fill and Motor FLC are free. Transformer, Short Circuit, and Grounding are Pro. ### 1.0 — 2026-04-28 No release notes. ## More apps by 向 潘 - [Kakeibo-家計簿](https://appshunter.io/ios/app/kakeibo/id6762317611) - [Carpenter Pro Calc](https://appshunter.io/ios/app/carpenter-pro-calc/id6763916367) - [Cashflow — Real Estate](https://appshunter.io/ios/app/cashflow-real-estate/id6764056720) All apps by 向 潘: https://appshunter.io/developer/1437711978 --- *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 2026-07-23.*