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Cable Tray Fill Calculator

NEC §392.22 (US) width/area rules by tray type & cable category, or IEC 61537-style area-fill (International).

AAJappsEngineering Calculation Report

Cable Tray Fill Calculator

NEC \u00a7392.22, IEC 61537

Generated

For preliminary engineering use only — always verify results against project-specific standards and a qualified engineer's review before use in a real design.

Standard basis

Tray

in
in

Power / Mixed cables

4/0 AWG and larger (single layer)
Smaller than 4/0 AWG

NEC §392.22 fill result

Applicable Rule§392.22(A)(1)(b)/(3)(b) — area ≤ 38.9% (depth capped at 3in)
Sum of Diameters0 in (no 4/0+ cables)
Sum of Areas1.696 in²
Max Allowable Area14.004 in²
Fill % / Width Check12.000 in (actual) ✓