Primary Causes of Park Courtyard Lamp Failure:
Many people complain that their courtyards are prone to damage, often requiring repairs. Now, the editor here explains the main reasons for courtyard lighting malfunctions:
Poor construction quality.
A significant proportion of failures are due to construction quality issues. Mainly manifested as:
One, insufficient cable trench depth; sand laying and brick covering not in accordance with standards for functionality.
Secondly, the manufacturing and installation of the corridor pipes do not meet the requirements; the bell mouth at both ends is not made to standard. Thirdly, the cables were dragged on the ground during the laying process.
Fourth, the foundation embedded pipes are not constructed according to standard requirements; primarily, the embedded pipes are too thin, and with a certain degree of bend, it is quite difficult to pass cables through, resulting in dead bends at the bottom of the foundation.
Fifth, insufficient thickness of wire nose crimping and insulation wrapping may lead to short circuits during prolonged operation.
Material quality is subpar.
From the failures handled in recent years, low material quality has been a significant factor. This is mainly manifested as: insufficient aluminum in the conductors, stiff conductors, and thin insulation layers. This situation has been more common in recent years.
Three: The quality of supporting projects is not solid.
The garden light cables are generally laid on the sidewalks. Poor sidewalk construction quality, ground subsidence, and cable deformation under stress can lead to cable breakage. Particularly in the cold regions of Northeast China, as winter approaches, the cables and soil become one. Once the ground subsides, the base of the garden light can be pulled apart, and with more summer rain, the root of the base can be burned.
Four: Poor design.
On one hand, there is overloading. With the continuous development of urban construction, garden lights also extend continuously. When new garden lights are installed, they are often connected to the circuit near the existing garden light. Additionally, in recent years, the rapid development of advertising has led to the corresponding connection of advertising complexes to the same garden lights, causing the ancient river of the garden lights to be too large, cables to overheat, wire nuts to overheat, insulation to decrease, and grounding to short-circuit.
On the other hand, the design of the lamp post only considers the lamp post itself, neglecting the space for the cable head. After wrapping the cable head, most doors cannot be closed. Sometimes, the cable length is insufficient, and the joints are not manufactured to meet requirements, which are also factors contributing to malfunctions.
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