Cable Tray Width

Cable tray should be perforated and 20 spare capacity.

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. 90 outside flange b with solid bottom s shown below 90 inside flange c with perforated bottom v shown below. 5 10 2x6x10 13 2.

Instrument cables and control cables are should have to be lay in perforated tray. Solid bottom cable tray. Perforated slot dimensions and patterns may vary depending on tray size and type. 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. The sum of the cable diameters is not to exceed 90 of the available cable tray width. Cable are laying in single layer in cable tray. Tested load capacity lbs ft.

Distance between each cable is 10mm. Total cable tray width required is 8 56 inches 6 90 inches 15 46. Cable weight lbs ft. Space between cables must be equal to 2 15 times one cable diameter 3 x 2 15 x 1 07 inches 6 90 inches.

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. Perforated solid cable tray dimensional drawing tray height 75mm width width 75 75 15 25 75 75 50 50 thickness 8 x 20 typ.