ElectriCalc: NEC Calculator

ElectriCalc is the professional electrical toolkit trusted by electricians, contractors, and engineers - fast, accurate, code-compliant work right from your iPhone. Now with a full Panel Planner.

NEW: PANEL PLANNER
Design your distribution board on screen. Drag MCBs, RCDs/RCBOs, SPDs, busbars and terminals onto a real DIN rail, wire them up, add appliance markings and labels, then export a clean board schematic and parts list as a PDF - ready for handover.

BUILT FOR THE JOB SITE
Everything works 100% offline. No internet needed. No data collected. Just fast, reliable answers when you need them.

----------------------------------------
FREE TOOLS
----------------------------------------
- PANEL PLANNER: free to enter and draw; core devices included.
- VOLTAGE DROP: branch and feeder circuits, instant NEC 3%/5% check.
- AMPACITY LOOKUP: NEC Table 310.16 and CEC Table 2 at your fingertips.
- GROUND WIRE SIZING: equipment grounding per NEC 250.122 / CEC Table 16.

----------------------------------------
PRO CALCULATORS
----------------------------------------
- WIRE SIZING: the right conductor for any circuit (voltage drop, ampacity, temperature).
- CONDUIT FILL: raceway fill percent for EMT, IMC, RMC, PVC and flexible conduit.
- DWELLING LOAD CALC: service sizing per NEC Article 220 / CEC Rule 8-200.
- BOX FILL: junction box sizing per NEC Chapter 9.
- DERATING: temperature and conduit-fill ampacity factors.
- MOTOR CALC: motor branch circuit protection per NEC Article 430 / CEC Rule 28.
- TRANSFORMER: overcurrent protection per NEC Article 450 / CEC Rule 26.

----------------------------------------
TRY BEFORE YOU BUY
----------------------------------------
Every Pro calculator includes free calculations to verify the accuracy before you decide. No pressure.

- Lifetime: one-time purchase, yours forever
- Monthly: subscription, cancel anytime

----------------------------------------
FOUR STANDARDS, TWO LANGUAGES
----------------------------------------
- NEC (National Electrical Code): 2023 and 2026 editions
- CEC (Canadian Electrical Code): 2024 (CSA C22.1)
- BS 7671 (UK Wiring Regulations)
- DIN VDE 0100 (Germany)
- Full English and German interface, auto-detects your region

----------------------------------------
PROFESSIONAL FEATURES
----------------------------------------
- PDF EXPORT: professional reports and panel schematics with your logo and license number. US Letter or A4.
- CALCULATION HISTORY: every calculation saved automatically, with job names.
- COMPARISON MODE: compare two calculations side-by-side.
- SIRI SHORTCUTS: voice access, hands-free on the job site.
- HOME SCREEN WIDGET: your last calculation at a glance.

----------------------------------------
WHY ELECTRICIANS CHOOSE ELECTRICALC
----------------------------------------
- 100% offline: works in basements, attics, and remote sites
- NEC + CEC + BS 7671 + DIN VDE: true multi-standard support
- Verified data: cross-checked against official code books
- No ads, no tracking, no account required
- Professional PDF reports: impress clients and inspectors

Download ElectriCalc today and leave the code books in the truck.

Terms: https://elly2504.github.io/electrocalc-pages/terms-of-use.html
Privacy: https://elly2504.github.io/electrocalc-pages/privacy-policy.html
EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/