An electrician is concerned about undetected eddy current heating in metal switch boxes wired without neutrals for three-way lighting circuits, and lacks clarity on whether this is a real safety risk or not.

No tool or guideline exists to model or detect eddy current heating in specific lighting circuit configurations in metal boxes, leaving electricians to rely on anecdotal experience.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 21, 2026

App Concept

EddySafe Calculator

A mobile app that lets electricians input box material, wire gauge, load amperage, and circuit configuration, then calculates potential eddy current heating and provides safe wiring alternatives or code-compliant solutions. It eliminates guesswork and helps prevent unseen fire hazards.

Key Features

Input box dimensions, material (steel/aluminum), wire gauge, current load, and circuit layout
Real-time eddy current loss and temperature rise calculation
Graphical visualization of magnetic field intensity and heat distribution
Suggestions for safe wiring modifications or box upgrades
Library of common 3-way, 4-way, and multi-circuit configurations with precomputed examples

Target Users: Commercial and industrial electricians, electrical engineers, and electrical code inspectors in the electrical field

Revenue Model: $9.99 one-time app purchase, with $4.99 in-app purchases for advanced configurations and industry-specific code references

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