Ladder Cable Tray Weight Calculation Formula
Cable weight lbs ft tested load capacity lbs ft 50 fill ratio.
Ladder cable tray weight calculation formula. Width of cable tray as per calculation 1x1x493 493 mm. Use the following formula to calculate the number of cables that will result in a particular fill ratio where. With unmatched quality and service we offer a variety of styles materials and finishes available to support virtually any commercial and industrial cable. Otherwise the formula will have to be based on.
Cm20 1870 for pricing and more info click here. 600 mm 90 kg m. A inside tray area in in 2 d cable diameter in inches f fill ratio in n number of cables. The easiest way is to get a known length and weight it.
Checking weight of cable tray. Total diameter of all cables laying in tray 119 4 137 2 54 mm. The formula for number of cables is. Actual depth of cable tray 1x68 6 68 6mm.
On tue dec 2 2014 at 7 52 pm electrical notes articles wrote. Total weight of cables passing in to cable tray. Weight of http 300sq mm cable no of cable x weight of each cable. Actual depth of cable tray no of layer of cable x maximum diameter of cable.
Actual weight of cables 25 5 kg meter. Total diameter of all cables laying in tray 340 6mm. Cable tray fill calculator. 300 mm 45 kg m.
Checking depth of cable tray. Calculate cable tray width calculate cable tray area calculate cable tray length calculate cable tray weight calculate remaining width of cable tray calculate remaining area of cable tray free download. The sum of the cross sectional areas of all cables cannot exceed 50 of the trays fill area. Width of cable tray as per calculation no of layer of cable x no of cable tray run x width of cables.
Then multiply by the length required. Cable tray and ladder systems as the industry leader in cable tray eaton offers one of the widest ranges of b line series cable management solutions available in the market today. Per the national electrical code article nema 392 9 b cable tray fill calculations and cable tray sizing calculations will be computed as follows. The installation will use cat cable at 19 in diameter 20 lb.
500 mm 75 kg m. Quick tray wire mesh cable tray fill table at 50 fill use the following formula to calculate the number of cables that will result in a particular fill ratio where. Then divide the weight by the length to give a weight per linear length. N f 100 a d 2 2 π example.
400 mm 60 kg m. Weight of http 300sq mm cable 2x5 9 11 8 kg meter. Density of material used. Cable trays may be filled 50 when using control or signal wiring.