Cat6 Cable Tray Fill Calculator

Per the national electrical code article nema 392 9 b cable tray fill calculations and cable tray sizing calculations will be computed as follows.

Cat6 cable tray fill calculator.

The sum of the cross sectional areas of all cables cannot exceed 50 of the trays fill area. Next select the type of conduit you are specifying. Conduit fill calculator conduit fill is the percent of area inside the conduit taken up by the cable s. A inside tray area in in 2 d cable diameter in inches f fill ratio in n number of cables the formula is n f a 100 d 2 2 π example.

Cable trays may be filled 50 when using control or signal wiring. Provides quick and easy results for the conduit fill percent per nec guidelines. Then under conduit size select the size of your conduit and hit calculate to determine the size of conduit you need in order to fit your chosen cable enter your belden cable part number or the diameter of your cable. Cable tray fill calculator.

The formula for number of cables is. Then under of cables enter your details and hit calculate. Chart is based on 50 fill of 4 utp category 6 cable o d 21 033lbs ft not maximum loading weight for the tray. Practical guide on the amount of cable weight that can be installed tested in accordance with nema ve 1 csa e222 2 126 1.