Equal tees, unequal tees and crossovers are available for light, medium and heavy duty cable tray systems with widths ranging from 50mm – 900mm. Vertical bend, horizontal bend, cross and horizontal tee. Our Perforated Type Cable Trays are used extensively in Buildings. This article provides a comprehensive guide on the different types of cable tray accessories, their uses, and their importance in various electrical installations. By understanding the various options available, electrical engineers, contractors, and maintenance personnel can make informed. ventilation to heat producing cable such as power communication and other with the same or different width of the cable run. These fitting are including: elbow, horizontal cross, vertical inside. ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or structural system use maintain spacing or to keep cables in place when the tray is ect the minimum. This Section 27 05 36 includes metal cable trays of types and sizes included in NEMA VE 1. Throughout this document you will find designated 'specifier notes' or links to specific electronic resources in green to better serve your needs.