Cable Tray Width

The total sum of the cross sectional areas of all the cables to be installed in the cable tray must be equal to or less than the allowable cable area for the.

Cable tray width.

Perforated slot dimensions and patterns may vary depending on tray size and type. B cables smaller than 4 0 awg kcmill 120 sq mm ladder type cable tray. Distance between each cable is 10mm. The sum of the cable diameters is not to exceed 90 of the available cable tray width.

Total width of the cables 8 x 1 07 inches 8 56 inches. Calculate size of cable tray for following cable schedule. Cable weight lbs ft. 5 10 2x6x10 13 2.

Total cable tray width required is 8 56 inches 6 90 inches 15 46. 90 outside flange b with solid bottom s shown below 90 inside flange c with perforated bottom v shown below. Perforated solid cable tray dimensional drawing tray height 75mm width width 75 75 15 25 75 75 50 50 thickness 8 x 20 typ. Instrument cables and control cables are should have to be lay in perforated tray.

Space between cables must be equal to 2 15 times one cable diameter 3 x 2 15 x 1 07 inches 6 90 inches. Cable tray should be perforated and 20 spare capacity. 1 2 no s of 3 5cx300 sq mm xlpe cable having 59 7mm outer diameter and 5 9 kg meter weight 2 2 no s of 3 5cx400 sq mm. Tested load capacity lbs ft.

50 fill ratio. Cable are laying in single layer in cable tray.