Cable trays are available in many different forms and are used for many different purposes. As defined by the National Electrical Code (NEC), a cable tray system is “a unit or assembly of units or sections and associated fittings forming a rigid structural system used to securely fasten or support cables and raceways”
Ladder Tray is a cable tray consisting of two longitudinal side members connected by individual transverse members, designed for use as power cable or control cable support.
Cable trays are made of either steel, aluminum or fiber reinforced plastic (FRP) and are available in many types, each with its own characteristics and intended applications.
Different types of Cable Trays:
Ladder Cable Tray:
Ladder Type Cable Trays are generally used in applications with https://clicdanstaville.fr/intermediate to long support spans—12 to 30 feet.
Perforated Type Cable Tray:
The perforated type cable trays are made of HR sheets and also from pre galvanized sheets with various thickness and flange heights.
Solid Bottom Cable Tray:
Solid Bottom Cable Trays are generally used for minimal heat generating electrical or telecommunication applications with short to intermediate support spans—5 to 12 feet.
Channel Cable Tray:
Channel Cable Trays are generally used for installations with limited numbers of tray cable when conduit is undesirable. Support frequency with short to medium support spans—5 to 10 feet.