Privacy Policy
Last updated: September 23, 2026
This Privacy Policy describes how the iOS application Electrician Calculator Toolkit ("the App"), developed by Vilva Athiban P B ("we", "us"), handles your information. The App performs electrical calculations (voltage drop, wire size, conduit fill, box fill, load and breaker sizing, Ohm's law, resistor color codes) and shows reference tables, entirely on your device. The short version: we do not collect any data. We operate no servers, there are no user accounts, no analytics, no crash reporting and no advertising, and we cannot see anything you do in the App.
1. Data that never leaves your device
Values you enter (voltages, currents, lengths, conductor counts and similar) are used only to compute the result on screen. They are not stored after you leave a screen, except for your language preference, which is kept in the App's local settings on your device.
We do not collect, transmit, or store any of the above.
2. Network access
The App makes no network requests. Every table it uses ships inside the App, so it works fully offline, including in airplane mode. The only links that leave the App are the ones you tap yourself in Settings (this policy, the support page, and the App Store rating page).
3. Permissions
The App requests no permissions: no camera, microphone, location, photos, contacts or notifications.
4. Third parties
The App contains no third-party SDKs, advertising networks or analytics libraries. Purchases are handled by Apple through the App Store under Apple's own privacy policy; we receive no personal information from a purchase.
5. Children
The App does not knowingly collect information from anyone, including children under 13.
6. Changes
If a future version ever changes how the App handles data, this page will be updated and the date at the top revised before that version is released.
7. Contact
Questions about this policy: vilvaathiban@gmail.com.
Disclaimer: the App is a calculation aid based on tables from the 2023 edition of NFPA 70. It is not a substitute for the code, engineering judgement or the authority having jurisdiction. NEC and National Electrical Code are registered trademarks of the National Fire Protection Association, which does not sponsor or endorse the App.