Added a link to TradeTools — the one-app version of this calculator and 61 more, for HVAC, electrical, plumbing, fire protection, solar and carpentry. Nothing else changed.
Only the current version so far — new entries appear as the app ships updates.
Voltage Drop NEC Tables 8&9 is a tools app by Rizvan Adzhoyan with 1,000+ downloads (about 1.3K estimated). +54 installs in the last 7 days. Released Feb 28, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “NEC voltage drop calculator. Copper & aluminum, feeder sizing. 3% check.”
