Cable Tray Sizes: channel
Cable tray sizes and fill capacities by tray type per NEMA VE 1 and NEC Article 392, including channel, ladder, and solid bottom trays
| tray type | size key | depth in (in) | depth mm (mm) | loading capacity N m (N/m) | loading capacity plf (lb/ft) | material | nec fill pct (%) | nema class | rung spacing in (in) | usable area in2 (in2) | usable area mm2 (mm2) | width in (in) | width mm (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| channel | 3x1.5 | 1.5 | 38 | 365 | 25 | steel | 50 | 20A | 0 | 3.8 | 2,452 | 3 | 76 |
| channel | 4x1.5 | 1.5 | 38 | 365 | 25 | steel | 50 | 20A | 0 | 5.2 | 3,355 | 4 | 102 |
| channel | 6x3 | 3 | 76 | 365 | 25 | steel | 50 | 20A | 0 | 16.5 | 10,645 | 6 | 152 |
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