Experience in choosing suitable cable tray accessories
The increasing demand for cable tray systems in construction projects has led to the accompanying cable tray accessories being carefully considered when choosing. But how do you know which accessories are suitable for cable trays? What are the accessory standards? Bestray will answer all your questions in this article.
1. What are cable tray accessories?
When it comes to cable tray accessories, it refers to types of 45o/90o horizontal elbows, 45o/90o upward elbows, 45o/90o downward elbows, three-way, four-way, straight reducers… In the TCVN 10688:2015 standard (IEC 61537:2006), Section 3.5 is called “Fittings” and is defined as “System components used to connect, change direction, change size or to end cable tray or cable ladder sections”.
Cable tray accessories are accompanying equipment that support the cable tray ladder to function well. The main task of cable tray accessories is to connect cable tray ladders together in different shapes and connecting pipes to suit the installation location of the equipment.
Cable tray accessories are often sold with cable tray ladders to help you easily buy a complete set of suitable cable tray ladders.
Cable tray accessories are accompanying equipment
2. What are cable tray accessories used for?
Cable tray accessories usually account for about 10% ~ 30% of the order value, but play a very important role in the installation of cable tray systems for projects. In addition, they support the easy redirection of cable tray systems.
Avoid collisions with systems in the building during installation, reduce costs at an optimal level and have many sizes suitable for the size of the project.
The outstanding uses of cable tray accessories are as follows:
Making the connection to the cable tray system in a fixed and secure manner
Playing an important role in ensuring the safety of the system during construction
Saving time and effort in installation
Saving construction area and high convenience
Diverse design, high load bearing and high aesthetics for the project.
3. Classification of cable tray accessories and installation accessories
3.1. Joints
Cable tray joints are accessories used to connect two connected tray sections, between the tray section and the accompanying accessories, or between two accessories. This accessory helps the electrical tray system become more secure and safe. Currently, there are 2 types of cable tray joints: separate and continuous.
Cable tray connection
Cable tray connection parts include:
Hinged vertical connector (vertical connector): used to connect cable trays together vertically, customized at the construction site.
Hinged horizontal connector (horizontal connector): an accessory used to connect cable trays together horizontally, customized at the construction site.
Left reducer (a noun used to refer to a reducing joint, with a straight direction to the left): with the function of reducing the size of the cable tray to the left.
Right reducer (a noun used to refer to a reducing joint, with a straight direction to the right): with the task of supporting the reduction of the size of the cable tray to the right.
Even reducer: an accessory to connect 2 cable trays of different sizes. In addition, it can also be used to connect 2 different cable tray sections and accessories.
Connector accessories, ladder clamps
3.2. Cover
Cable Tray Cover is used to cover the cable tray, protecting the wiring and cable systems inside. At the same time, the tray cover also protects the wires from insects and the impact of the external environment.
Cable tray cover is used to cover the cable tray
Each type of cover will have its own design and standards suitable for the environment of each project. Therefore, the choice of cover needs to consider the characteristics of the project and the construction surface. In addition, the cable tray cover must have a size and shape suitable for the cable tray system of the project. Normally, cable tray covers will be classified according to the manufacturing material as follows:
Pre-galvanized cable tray cover (galvanized iron): used for indoor installation, in dry and airy places. This product has the advantage of smooth, even zinc color, beautiful aesthetics, and can withstand all external impacts such as dirt, insects, etc. With a reasonable price, this is a line trusted by many customers.
Galvanized cable tray cover (hot dip galvanized): is a widely used accessory in construction works, used for indoors and outdoors. They are mainly used in construction works with high technical requirements and high product characteristics. Therefore, this cable tray cover is often used for construction works near the sea, chemical plants, high alkaline environments, etc.
Powder coated cable tray cover: this is a material with affordable price, quite commonly used and anti-rust. The cover is usually made of corrugated iron and then the surface is treated before being powder coated. Therefore, the paint layer adheres to the surface to help prevent impacts from the outside environment. They are widely used in buildings, corridors or vertical shafts. In addition, the color of the cable tray is also used to mark, distinguish cable routes, classify cable systems… in construction works.
Stainless steel cable tray cover: with stainless steel material, it has the characteristics of not being rusty, anti-corrosion and high durability. We
