Are special fixing accessories or brackets required when installing the grounding bus bar?

Function and structural characteristics of grounding bus bar
In electrical systems, grounding bus bars are important conductive paths used to reliably guide leakage current or fault current in electrical equipment to the earth to prevent safety accidents such as electric shock and electrical fire. Due to its core position in the operation of the power grid, grounding bus bars are not only required to have good conductivity and stability, but also to ensure structural safety and physical firmness during installation.
grounding bus bars are usually flat metal bars or metal bars, mostly made of copper, aluminum and other materials. Although it has a certain strength, it is very easy to loosen, deviate, and even cause poor contact under long-term load, frequent vibration or external force if there is no necessary support structure or fixing measures.

The role of fixing accessories in installation
When installing grounding bus bars, commonly used fixing accessories include insulating brackets, bolt assemblies, clamps, pressing plates, etc. The main function of these accessories is to firmly fix the grounding bus bar to the wall, distribution cabinet, equipment bottom or other load-bearing structure to avoid displacement and loosening caused by gravity, mechanical tension or external impact.
Especially in outdoor or high humidity and highly corrosive environments, the choice of fixing device is more critical. If the grounding bus bar is directly hard-connected to the structural parts, it may corrode and loosen due to different thermal expansion coefficients or long-term moisture. Professional insulating brackets or anti-rust fixtures can not only firmly support the grounding bus bar, but also play the role of electrical isolation and environmental protection, thereby improving the durability and safety of the entire system.

Structural advantages and application scenarios of brackets
The brackets are usually made of materials such as plastic, alloy or stainless steel. They have different shapes according to different installation scenarios, such as L-type, U-type, tray type, etc., and have the characteristics of strong pressure resistance and aging resistance. The advantage of using a bracket is that it can effectively separate the grounding bus bar from the main body of the equipment, reduce the risk of electrochemical corrosion caused by the metal contact area, and also make subsequent inspection and maintenance more convenient.
In complex environments such as large substations, factory power distribution systems or communication rooms, the reasonable configuration of the bracket can ensure the orderly arrangement of the lines and avoid cross-interference between different busbars. In addition, the suspension installation through the bracket can also reduce the impact of ground moisture or vibration on the conductor body.

Installation specifications and safety assurance
The standard installation process of grounding bus bars should include position measurement, hole position preset, bracket fixing, busbar laying, bolt tightening, grounding resistance detection and other links. Each step is inseparable from the corresponding auxiliary accessories and structural design, and none of them can be missing. If special fixing measures are omitted, it will not only affect the grounding efficiency, but also may cause electrical accidents, especially under the impact of short-circuit current, the loose busbar is very likely to produce arcs or breakage.
The selection of accessories and brackets should also be comprehensively judged based on factors such as current carrying capacity, installation environment, and load requirements. Unreasonable support structure is not only difficult to achieve the desired fixing effect, but may also damage the busbar body due to local stress concentration.