Master Electrician Guide

Master Electrician Guide is the all-in-one toolkit for solo electricians and small operators - fast, focused, and built to work in the field (offline, except the AI assistant).

CALCULATORS (NEC 2023, all offline)
• Ohm's Law / power wheel
• Voltage drop (% + minimum wire size)
• Wire size with ambient + bundling derating and 110.14(C) terminal limits
• Conduit fill (Chapter 9) and box fill (314.16)
• Conduit bending offsets and shrink
• Motor FLC, conductor and OCPD (Article 430)
• OCPD sizing, transformer sizing, and dwelling load (Article 220)
• Three-phase power (kVA/kW/amps), available fault current / AIC,
series-parallel resistance, and an AWG / mm2 / kcmil converter

CODE REFERENCE
• Table 310.16 ampacities (copper & aluminum)
• Conductor properties, conduit areas, grounding (250.66 / 250.122)
• Wire color codes, NEMA configurations, residential circuits
• Lug torque (110.14), burial depth (Table 300.5), and raceway/cable support
• Choose your NEC edition (2017/2020/2023) — checklists & the AI adapt to it

PER-STATE RULES
• Adopted NEC edition, licensing authority, and license tiers for all 50 states + DC
• The apprentice to journeyman to master career path

FIELD DOCUMENTATION
• Log jobs with client info and status
• Attach before / during / after photos from your camera
• Build professional line-item estimates AND invoices, exported as branded
on-device PDFs with your company info
• Back up and restore everything (jobs, photos, estimates, checklists) to a file
• Run inspection-ready compliance checklists (service, rough-in, final,
grounding & bonding, GFCI/AFCI, safety/LOTO, panel) with NEC references

TROUBLESHOOTING & LEARNING
• Diagnose 14 common field problems with ranked causes and safe steps
• Plain-English lessons on the fundamentals, safety, and the business
• Exam prep: 60 journeyman/master practice questions with explanations + NEC refs

AI CODE ASSISTANT
• Ask anything electrical and get code-aware answers that cite NEC sections
• Snap a photo of a panel or device and get an AI diagnosis
• Answers are aware of your selected state and NEC edition

Master Electrician Guide is a field aid for qualified, licensed individuals. It
is not a substitute for the adopted code, local amendments, or a licensed
design. Always verify against your AHJ and adopted NEC edition, and follow
NFPA 70E safety practices.