Description
Calculate conduit trade size based on wire sizes and NEC 2023 standards. Input up to five wire sizes to determine minimum required conduit size. Verify code compliance for electrical installations.
ConduitFill helps electricians, engineers, and inspectors determine the correct conduit trade size quickly and accurately—directly from your iPhone or iPad.
Designed for real-world use in the field, the app lets you select up to five wire sizes per conduit and instantly returns the minimum trade size required under the 2023 National Electrical Code® (NEC).
Whether you're wiring a commercial panel, laying underground feeders, or teaching electrical code compliance, ConduitFill simplifies conduit fill calculations like never before.