Privacy

Calculations are aids for trained technicians. They are not a substitute for stamped engineering, manufacturer documentation, site procedures or applicable codes (NEC/ISA). Always verify results.

A signed-in session is an HTTP-only cookie. The plan is read on the server. ★ favorites for that account can sync to the local database when it is configured, and a copy stays in this browser so the list still works offline. Offline calculator access uses a separate signed snapshot and is removed on logout.

This build does not send payment details anywhere. Test accounts exist only for local development. This draft does not describe a production privacy policy. That text waits on attorney review.