Voltage Drop. vs Wire Size & Ampacity Calc

Voltage Drop is a practical electrical calculation toolkit for electrical engineers, technicians, electricians, and students. Three tools in one: • VOLTAGE DROP CALCULATOR — Computes voltage drop for single/three-phase and copper/aluminum, and checks the result against your chosen 1.5%, 3% or 5% limit. It recommends the minimum cross-section that satisfies BOTH the voltage-drop limit and the current-carrying capacity. • CABLE SIZING — Finds the smallest cable cross-section required for your load and line, and lists the cable types available in that size. • CABLE CATALOG — Provides the technical features of common low-voltage cables (NYA, NYAF, NYM, H05VV-F, NYY, NAYY, NHXMH, N2XH, N2XH FE180), including current-carrying capacity tables per cross-section (in air / in conduit / in ground), right inside the app. FEATURES • Single-phase and three-phase systems • Copper and aluminum conductor support • 1.5% / 3% / 5% voltage-drop limit check with cross-section recommendation • "Suitable cables" suggestion after each calculation, with one-tap access to cable details • Cable technical-feature tables (including halogen-free cables) • Calculation history: save, reopen, delete • Works fully offline, ad-free • 9 language support PRIVACY The app does not collect any personal data. No account is required, and the values you enter never leave your device.

Size conductors the way the code book does — without flipping pages. Pick NEC or IEC, enter the load, set the real conditions, and read the minimum conductor size on one screen. WHAT IT DOES - NEC (NFPA 70) Table 310.16 ampacities: copper and aluminum, 60/75/90 °C columns, 14 AWG to 500 kcmil - IEC 60364-5-52 method C ampacities: copper, PVC or XLPE, 1.5 to 300 mm² - Ambient-temperature correction and grouping adjustment applied automatically - 125 % continuous-load design current - Suggested breaker from the standard ladder, small-conductor caps included - Pro: full derating breakdown, conduit-fill summary (NEC Ch. 9 Table 1), voltage-drop cross-check, history and one-page PDF export BUILT FOR THE FIELD Big glove-friendly keys, an Outdoor Bright theme for direct sunlight, and everything works offline. PRIVACY Everything stays on your phone. No account, no ads, no tracking. A planning aid, not a substitute for the code — always confirm results with your local code authority and the current edition. PRO UNLOCKS: both NEC and IEC standards, full derating detail, conduit fill, voltage-drop checks, history and PDF export. Available as an auto-renewable subscription (monthly or yearly) or a one-time Lifetime purchase. ——— Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hdappstudio.com/wiresize/privacy/