Electrical Cable Tray Specification

The drawings which constitute a part of these specifications indicate the general route of the cable tray systems.

Electrical cable tray specification.

Nema stands for the national electrical manufacturer s association. We manufacture cable trays in the following thicknesses 1 2 mm 1 5 mm 1 6 mm 2 0 mm 2 5 mm and 3 0 mm. National electrical code 2017 1 3 drawings a. Cable trays are available in different sizes as per the customer specifications.

Width 50 mm to 1000 mm cable trays are available inm different finiaheslike ms hot dip galvanized powder coated painted etc. Channel cable tray ladder cable tray single rail cable tray wire mesh cable tray solid bottom or nonventillated cable tray and trough or ventilated cable tray and associated fittings for use in accordance with the rules of the national electrical code. The national electrical code nec greatly limits cable fill area and actual loads will be less. For example the weight of multiconductor control and or signal cable is close to those in the table.

Fasten cables to the cable tray at the point of exit and support cables independent of the enclosure. However article 318 8 3 b limits fill to 50 of cross section of tray with 6 the maximum depth usable for computation. Ve1 is a nema standard that defines manufacturing performance and testing standards for cable tray systems. Data presented on these drawings is as only.

Nema ve 1 metal cable tray systems. The cable length between cable trays or between cable tray and enclosure shall be no more than 72 inches 1800 mm. Nema ve 2 cable tray installation guidelines. Nema ve 1 this standard specifies the manufacturing requirements for metal cable trays such as.