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ElecFlow — Electrician Toolbox — App Store rankings

James Roche · Utilities · View on the App Store

About this app

The developer's US App Store description, in full.

ElecFlow is the professional electrical toolkit built for the job site. Whether you're sizing wire, calculating voltage drop, filling out a panel schedule, or prepping for inspection — everything you need is one tap away, offline and instant. Trusted by journeymen, master electricians, and apprentices alike, ElecFlow replaces the clipboard, the dog-eared code book, and the back-of-envelope math with a fast, accurate toolbox designed for real field conditions. ELECTRICAL CALCULATORS • Ohm's Law — Solve for voltage, current, resistance, or power from any two known values • Voltage Drop — Single and three-phase drop calculations with NEC 3% pass/fail indicator • Wire Ampacity — NEC Table 310.12 sizing for copper and aluminum at 60°C, 75°C, and 90°C • Conduit Fill — Wire count and AWG to conduit size for EMT, PVC, and RMC • Residential Load Calculator — NEC Article 220 service load with demand factors • Box Fill — NEC 314.16 conductor, device, clamp, and ground volume calculations • Motor Circuit Sizing — NEC 430 FLA lookup, minimum wire gauge, breaker size, and overload setting • Transformer Sizing — Required kVA, standard size recommendation, and full-load amps • Power Factor Correction — kVAR required and capacitor sizing in µF • Short Circuit Current — Available fault current at transformer secondary and end of conductor run, with OCPD interrupt rating comparison • Battery & Inverter Sizing — Off-grid load list to Ah and inverter wattage • Conduit Bending — Stub-up, offset, three-point saddle, and back-to-back with live multipliers and shrinkage FIELD TOOLS • Panel Schedule — Fill in a 20 or 40-circuit breaker directory and export a professional panel card image to share or print • Inspection Checklist — NEC-based rough-in and trim-out checklists for residential and commercial jobs, with flag, note, and share features REFERENCE LIBRARY • NEC Quick Reference — 40+ searchable NEC articles across GFCI/AFCI, grounding, motors, services, and special locations • Wire Color Codes — US, Canadian, and IEC/EU standards at a glance • Resistor Color Code — 4-band and 5-band decoder • Electrical Symbols — Device, power, control, and lighting symbol guide • Torque Specifications — Terminal torque values from #14 AWG to 500 MCM UNIT CONVERTER Convert between kW and horsepower, kVA, power factor, amps, and motor efficiency — all in one place. BUILT FOR THE FIELD — Works completely offline. No account, no subscription, no ads — All NEC data hardcoded — no internet required on the job site — Dark mode designed for low-light environments — Large, readable result displays — glanceable at arm's length — Haptic feedback on every calculation ElecFlow is a reference and calculation aid. Always verify results against current NEC code, local amendments, and applicable standards. Not a substitute for a licensed electrician's judgment.

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