ConduitLab

Teleios AI, LLC

Contains adsIn-app purchases

About this app

ConduitLab is a professional electrical calculator built for electricians, foremen, inspectors, and engineers who need fast, consistent, code-aware results—on the jobsite or in the office.

It’s designed to replace spreadsheets, rule-of-thumb guessing, and mismatched calculators with one dependable tool.

Core calculations

• Ampacity / conductor sizing with automatic derating for temperature, conductor count, and terminal limits
• Voltage drop for single-phase and three-phase systems
• Conduit fill with a visual packing tool that reflects real-world installations

Lite vs Pro —
Lite (Free)

Fully functional for most residential and light commercial work.

• Full ampacity, voltage drop, and conduit fill calculations
• NEC-aware logic and edition selection
• Offline use
• Non-disruptive ads (no pop-ups, no forced videos)
• Limited saved projects and PDF exports

Pro

Built for higher volume, documentation, and complex jobs.

• Expanded calculation ranges
• Advanced voltage drop methods
• Full conduit fill visualizer
• Unlimited saved projects
• Unlimited ad-free PDF exports

Built for the field

• Offline-first — works without internet
• Jurisdiction-aware — automatically selects the correct NEC edition based on location
• Multi-edition NEC support when you need to switch
• Consistent logic across all calculations

Professional documentation

• Generate clean, readable PDF reports suitable for submittals, coordination, and recordkeeping
• Reports clearly show inputs, results, and applied adjustments
• Share directly from the field or office

No nonsense workflow

• Fast inputs
• Clear outputs
• No unnecessary data entry
• Ad-free during calculations and exports
• No cloud dependency

ConduitLab is a calculation and documentation tool. Final installation and code compliance remain the responsibility of the user and the authority having jurisdiction.

What’s new

Initial public test release