About this app
Electrical code & design calculators for electricians, engineers working with wiring systems and other electrical professionals. Written by a working Electrician using it on a daily basis. Calculations per 2011 National Electrical Code. o Ampacity / Wire Size - Wire Size -> Ampacity - Ampacity Needed -> Wire Size - Dwelling Service Size - GEC Size - EGC Size o Box Fill - Box Size from Wires / Devices - Box Size from Cables / Devices - Standard Box and Typical Plaster Ring Info o Conduit Fill - Conduit - Maximum # of Wires - Conduit Size Needed - Conduit % Full - Conduit Size Information - Wire Size Information o Other - Cover Depth - Phone Pin Color Codes - Ethernet (EIA/TIA568 a & B) Color Codes - Receptacle Configurations More features delivered as free upgrades. We hope you find the app useful.
Latest release
What’s New
This update from Apple will improve the functionality of this app. No new features are included. Added Feedback button on About screen Fixed Bug causing some boxes to not display number of wires per size.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
- First observed Aug 10, 2026 · 3:28 PM Free
Screenshots
