WireFillChart

Zur Homepage : https://wirefillchart.com/

Free NEC 2023 conduit fill calculator and wire fill charts for EMT, PVC, IMC, RMC and flex. Pick a conduit type, add THHN, THWN-2, RHH, RHW-2 or TW conductors and read the live fill percentage and NEC Chapter 9 Table 1 status, including Note 7 rounding. Also box fill, pull box, voltage drop and wire size calculators. Runs in the browser, no signup.

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