This conduit fill chart is used to determine how many wires can be safely put into non-PVC conduit tubing or pipe.

The app will calculate the conduit fill percentages and jam probability for multiple conductors per NEC® Guidelines. Simply enter the conduit type and size, then specify your conductors.

The following is a typical conduit fill chart, which shows data for different types of conduit such as EMT conduit, IMC conduit, and GRC conduit. The possible wire gauges go from 14 AWG to …

CONDUIT FILL TABLES – NEC TABLE C CONDUCTOR SIZE – AWG / kcmil – THHN / THWN SIZE 14 12 10 8

Oct 27, 2025 · Master conduit fill calculations with our complete NEC guide including fill charts, wire capacity tables, and step-by-step examples. Learn proper conduit sizing for electrical …

The NEC sets standards for the percent of volume that can safely be put into conduit. The below chart is from Table 1 in Chapter 9 of the National Electric Code.

Aug 2, 2025 · Discover NEC-compliant conduit fill charts for EMT, IMC, Rigid, and Flexible Metal Conduits. Downloadable tables, size-by-size breakdowns, and manufacturer-supplied …

Calculate the maximum number of wires that can safely fit in an electrical conduit according to NEC (National Electrical Code) standards. This calculator helps ensure proper conduit fill …

Apr 20, 2025 · Calculate conduit and cable tray fill per NEC standards quickly and accurately with our easy-to-use fill calculator tool. Ensure compliance and safety.

Aug 12, 2025 · When you’re planning or reviewing a raceway run, nothing beats a conduit fill chart. It turns code percentages into clear, ready-to-use numbers— no calculator required. …