Cable trays are called a long narrow box in which Electric wires and cables are stacked. They are metal and plastic. The scope of their application is unlimited. Cable trays are used in production halls and offices, in trading floors and premises, in hospitals and kindergartens. They are safe and convenient.
Metal cable ducts are most often used for large bundles of cables. Distinguish continuous cable trays, perforated, wire and ladder-type trays.
- Solid metal cable trays
- Perforated Metal Cable Trays
- Metal cable ladders
- Wire Type Metal Cable Trays
- Production of metal cable trays. Video.
Solid metal cable trays
Solid metal cable trays are used for cable mines, for street routes, as well as for places where you have access strangers. They completely protect wires from impact moisture, dust and other external factors. Their disadvantage is poor blowing, this prevents the cooling of the wires. Same they are difficult to access in case of damage.
solid cable trays
Perforated Metal Cable Trays
Perforated trays are used for horizontal and vertical cable routes. They are lighter in weight compared to with solid trays, well ventilated but subject to wiring exposure to external factors. Wire channels are used for small cable shafts and wires with a small load. Such the trays are the lightest and most ventilated. To their advantages include constant open access to wires. Their use is possible only in enclosed spaces.
perforated cable trays
Metal cable ladders
Ladder-type trays are metal a design that looks like a staircase. They are intended for large and heavy cable routes with heavy loads. Bunches wires just stack on the tray therefore excellent aired, always in sight, the issue of access to them in case of replacement is not even put.
Wire Type Metal Cable Trays
Different cables and cables can be stacked in one cable tray destination. So that they do not contact each other, in some models have a special jumper that divides the tray into two parts.
split cable tray
The size of the cable tray is selected depending on the quantity wires in the place of its laying. In industrial premises and trading floors, where there are always a lot of wires, use staircases trays that support their weight. In residential premises most often use plastic trays.
plastic cable trays
All types of cable channels are made of non-combustible materials, their use is completely safe. It is important to remember that for power cables with voltage from 400 to 1000V, use is possible only metal trays. If the voltage is less than 400V use of plastic trays is possible. When laying cable tracks for mounting trays using additional materials, such as splitters, corners, brackets. Such devices help create tracks of varying difficulty.
cable tray splitters and brackets
Each type of tray has advantages and disadvantages, the choice of one a particular type depends on many factors: the magnitude of the load, installation and operation features, climatic features given area and many others.
Production of metal cable trays. Video.