Cable Tray Width

Total width of the cables 8 x 1 07 inches 8 56 inches.

Cable tray width.

Distance between each cable is 10mm. 90 outside flange b with solid bottom s shown below 90 inside flange c with perforated bottom v shown below. Tested load capacity lbs ft. Total cable tray width required is 8 56 inches 6 90 inches 15 46.

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. Space between cables must be equal to 2 15 times one cable diameter 3 x 2 15 x 1 07 inches 6 90 inches. Calculate size of cable tray for following cable schedule. Instrument cables and control cables are should have to be lay in perforated tray.

Perforated slot dimensions and patterns may vary depending on tray size and type. Solid bottom cable tray. Cable are laying in single layer in cable tray. Perforated solid cable tray dimensional drawing tray height 75mm width width 75 75 15 25 75 75 50 50 thickness 8 x 20 typ.

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. 50 fill ratio. The sum of the cable diameters is not to exceed 90 of the available cable tray width. Cable tray should be perforated and 20 spare capacity.

To determine the required width of a ladder or ventilated trough cable tray as per section 318 11 b 4. There are 50 mm 100 mm 150 mm 300 mm 450 mm 600 mm 750 mm 900 mm sizes of electrical cable trays.