One of the most important elements that ensure the performance of industrial enterprises, warehouses, offices, are power cable systems.

After all, in order for the equipment to work, it needs electricity. For this, we lay cables or wires that make up the power cable system of an enterprise, office, etc.

How to lay a cable system for safe and easy usage, and also takes a minimum of time and cost for installation and maintenance? There are several methods for laying cables: in pipes, in walls, etc. 

One of the most convenient and modern ways is laying in a cable tray.

Western European countries have been using cable trays for quite a long time. And in recent years they have become more widespread in the domestic market. 

There are several types of cable trays: perforated, non-perforated, mesh and ladder. This article will focus on perforated and non-perforated cable trays.

Perforated Cable Tray

People use perforated cable trays of sheet or lock type for laying open cable routes for various purposes.

The advantages of these SCS elements traditionally include their low weight and the structurally provided possibility of attaching the tray to surfaces.

And well as the possibility of convenient fixing of wires on the walls and bottom of the tray, performed using special grips and harnesses.

Perforated cable trays of sheet type are used when laying open wiring in premises (in residential buildings, trading floors, in office, warehouse and industrial premises).

When constructing powerful routes, you should prefer cable trays with a locking cover, since the presence of a cover provides perforated trays with additional rigidity.

Non-Perforated Cable Tray

Non-perforated sheet trays are used for cable laying both indoors and outdoors. We characterize them by high load-bearing capacity – the under-forming produced during the production of these products creates an additional stiffener, which increases the load-bearing capacity of the system up to 54%. 

When using a cover and seals, you can achieve a degree of dust and moisture protection up to IP 44. The female-male connection method used for the system significantly reduces installation time and creates a continuous ground loop. 

Explaining Perforated and Non-perforated Cable Trays

Such cable trays are made of galvanized steel sheet. To obtain perforated trays, manufacturers make holes of certain sizes in the steel sheet. These holes promote ventilation, so that the cable does not overheat. There is no accumulation of dust and moisture in the tray. 

In addition, the use of a perforated tray makes it easy to make branches, both during installation and during operation, if it becomes necessary to supplement the cable route.

You should note that in such a tray, the cable is reliably safe from mechanical damage, and in case of additional protection, you can use trays with lids. 

If during operation you have a threat for the cable by an increasing chemical hazard, then it is better to use a non-perforated tray.

Discussing a Bit About Metal Trays

Metal trays, like perforated, and non-perforated ones are not afraid of reagents and corrosion. It is due to the fact that they are galvanized by a special method. 

Such protection allows the use of trays in industrial enterprises, warehouses, as well as in supermarkets. You should note that cable trays have uses, not only for laying cables, but also for hanging lamps.

As for the installation of the tray, note here that there are such methods of their fastening: ceiling, wall, in a combination.

In addition, you can mount the trays on hangers, racks, shelves and structures made of mounting profiles and perforated strips. 

To do this, companies form a wide perforated plane from the trays, the sides adjacent to each other.

But before assembling such a structure, it is necessary to calculate its bearing capacity. It depends on the loads that the tray will experience, and, the structure. 

It is also important to secure the cables and wires laid in the tray well. The trays have an interconnection by means of fasteners (connectors).

You should select and order fasteners, as well as other elements necessary for mounting the tray according to the mounting method separately.

Summing up, we can say that a cable tray is the best alternative for laying cables and wires, as well as for installing lighting fixtures in supermarkets, warehouses, and industrial enterprises.


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