Cable Tray Width

Solid bottom cable tray.

Cable tray width.

Distance between each cable is 10mm. There are 50 mm 100 mm 150 mm 300 mm 450 mm 600 mm 750 mm 900 mm sizes of electrical cable trays. Cable weight lbs ft. 90 outside flange b with solid bottom s shown below 90 inside flange c with perforated bottom v shown below.

B cables smaller than 4 0 awg kcmill 120 sq mm ladder type cable tray. To determine the required width of a ladder or ventilated trough cable tray as per section 318 11 b 4. Perforated slot dimensions and patterns may vary depending on tray size and type. Space between cables must be equal to 2 15 times one cable diameter 3 x 2 15 x 1 07 inches 6 90 inches.

5 10 2x6x10 13 2. Cable tray should be perforated and 20 spare capacity. The sum of the cable diameters is not to exceed 90 of the available cable tray width. Perforated solid cable tray dimensional drawing tray height 75mm width width 75 75 15 25 75 75 50 50 thickness 8 x 20 typ.

Total width of the cables 8 x 1 07 inches 8 56 inches. 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. Calculate size of cable tray for following cable schedule. Total cable tray width required is 8 56 inches 6 90 inches 15 46.

50 fill ratio. Tested load capacity lbs ft.