Electrical Code Guide 2026

Here's a draft for your App Store listing: NEC Navigator — Your Electrical Code Companion NEC Navigator puts the National Electrical Code at your fingertips. Whether you're an electrician in the field, an engineer at the drafting table, or a student studying for your exam, this app gives you fast access to NEC reference material and professional-grade calculators — no internet required. Built-In Calculators Five engineering calculators help you size circuits, conductors, and equipment on the spot: Branch Circuit OCPD — determine overcurrent protection device ratings for residential appliances per NEC 210.20 Motor Full-Load Ampere Lookup — FLA ratings for DC, AC single-phase, two-phase, and three-phase motors per NEC Tables 430.247–430.250 Bonding Conductor Sizing — calculate bonding conductor size with run-length adjustment per NEC Table 250.66 Transformer Capacity — find the required kVA for single-phase and three-phase loads AWG Converter — convert between American Wire Gauge, circular mils, and mm² NEC Reference Library Browse articles covering branch circuits, conductors, grounding and bonding, conduits, services and feeders, motors, transformers, and more — each with overview guides and worked case studies. Diagrams & Exhibits Over 35 high-quality illustrations including voltage distribution systems, service entrance panels, premises wiring, grounding details, receptacle layouts, and NEC article reference figures. Pinch to zoom on any diagram for a closer look. Conversion Tables & Formulas Quick access to essential electrical formulas, unit conversions, and the complete NEC code outline map. Designed for the Job Site Everything runs offline. No login required. Just open the app and get to work.