Prysmian Group Conduit Fill

Prysmian Group Conduit Fill is a fast, accurate calculator for determining minimum conduit sizing under the National Electrical Code. Built for engineers, contractors, and electrical professionals, this app cuts calculation time from hours to seconds.

Select from NEC 2011, 2014, or 2017 standards and choose between metric or standard conductors. The calculator handles any combination of conductor types, displaying total area required, nipple size, and minimum conduit size in one clear result.

Support for over fifty insulation types and ten conduit variants covers virtually every real-world installation scenario. Compact stranded conductors are factored into calculations automatically, so you get accurate sizing for specialty cables without manual adjustments.

Whether you're sizing a single circuit or comparing multiple conduit options, Prysmian Group Conduit Fill delivers the answer on site or in the office. No tables, no lookups—just straightforward results aligned with current electrical codes.