Master Electrician

Master Electrician — Your Complete Electrician Toolkit

Built by an electrician, for electricians. Master Electrician puts every essential NEC tool in your pocket — from AI-powered code assistance to conduit bending calculators to photo-based violation scanning.

AI-Powered Features

NEC Code Assistant — Ask any National Electrical Code question in plain English and get accurate answers with specific article references, powered by AI with real-time web search for the latest code interpretations.

NEC Compliance Scanner — Snap a photo of any electrical installation and get instant AI analysis identifying potential NEC violations, severity ratings, code references, and recommended fixes.

Professional Calculators

Conduit Bending — 90° bends, offsets, kicks, saddles, and back-to-back calculations for EMT, IMC, and RMC with full deduction tables.

Voltage Drop — Calculate voltage drop percentage for any wire size, distance, and load with NEC 3% compliance checking.

Box Fill — NEC 314.16 compliant calculations for conductors, devices, clamps, and grounds.

Breaker Sizing — Automatic 125% continuous load calculations with wire size recommendations.

3-Phase Power — kW, kVA, and current calculations with adjustable power factor.

Transformer — Primary and secondary current calculations for both single-phase and 3-phase systems.

Ohm's Law — Solve for voltage, current, resistance, or power with common field values.

Wire Ampacity — Complete NEC Table 310.16 reference for 75°C copper conductors.

Reference Library

Electrical formulas, conduit fill tables, motor FLC and LRA data, wire torque specifications, bolt torque specifications, and business resources for running your shop.

Why Master Electrician?

No ads. No clutter. Just the tools you actually use on the job. Every calculator follows NEC standards and every reference table comes from the code book. Whether you're a journeyman, master electrician, or contractor, this app saves you time in the field.

Currently in beta — submit feedback directly through the app and help shape what comes next.