Wire Color Codes - Ohmlify
Voltage Drop & Wire Calculator
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
AI-powered wire color identification, 10+ electrical calculators, and job reports with PDF export. Built for electricians, in 16 languages.
OHMLIFY - THE ELECTRICIAN'S BIBLE
The most comprehensive wire color code reference app for professional electricians, electrical engineers, and apprentices. Works 100% offline - no internet required.
WIRE COLOR CODES FOR 22 COUNTRIES
Instantly look up wire colors for any standard:
• IEC 60446 (International)
• NEC / NFPA 70 (United States)
• BS 7671 (United Kingdom)
• DIN VDE 0100 (Germany)
• NF C 15-100 (France)
• CEI 64-8 (Italy)
• AS/NZS 3000 (Australia)
• And 15 more countries...
Know exactly which wire is Live, Neutral, and Earth for single-phase and three-phase systems.
18 PROFESSIONAL WIRING DIAGRAMS
Clear, zoomable diagrams for:
• Ring Main Circuit (UK)
• Radial Socket Circuit
• Two-Way & Intermediate Switching
• Star-Delta Motor Starter
• RCD/RCBO Connection
• Consumer Unit Layout
• MCB & SPD Wiring
• Three-Phase Supply
• And more...
4 ELECTRICAL CALCULATORS (Pro)
• Voltage Drop Calculator - Check NEC 3% compliance
• Wire Size Calculator - Find correct AWG/mm²
• Ohm's Law Calculator - V, I, R, P calculations
• Power Calculator - Single & three-phase
36 ELECTRICAL SYMBOLS
IEC 60617 standard symbols for:
• Switches (single pole, double pole, two-way, dimmer)
• Outlets & Sockets
• Lighting fixtures
• Protection devices (MCB, RCD, RCBO, SPD)
• Motors & Wiring
100% OFFLINE
Downloaded once, works forever. No internet needed. Perfect for:
• Basements with no signal
• Rural job sites
• Underground work
• International travel
16 LANGUAGES SUPPORTED
Interface fully translated in English, German, French, Spanish, Italian, Polish, Dutch, Portuguese, Swedish, Norwegian, Danish, Finnish, Czech, Romanian, Greek, and Hungarian.
OHMLIFY PRO
Unlock all features:
• All 16 country standards
• Advanced calculators
• All wiring diagrams
• All electrical symbols
• No advertisements
Built by developers who listen to electricians. We update standards regularly and add features based on your feedback.
Download now and have professional electrical reference at your fingertips - anytime, anywhere.
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Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 2.0.3 — smoother and steadier
• Fixed an issue where the welcome tutorial could freeze on the Home screen
• Improved Premium access across Jobs, calculators, and the AI Wire Identifier
• Tutorial now flows cleanly from start to finish
• Performance and stability improvements across the app
Thanks for using Ohmlify!
The developer, CLOUD HONEST LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- CLOUD HONEST LLC
- Size
- 7.4 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 15 more
- English, Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian, Italian, Norwegian Bokmål, Polish, Portuguese, Romanian, Spanish, Swedish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Monthly $2.99
- Ohmlify Pro $39.99
- Pro Annual $19.99
- Copyright
- © 2026 CloudHonest LLC