In rural areas, lighting electrical ready boards are key equipment for ensuring electrical safety in households and public areas. As the service life increases, the electrical ready board is prone to aging problems. It is crucial to detect and determine whether to replace it in a timely manner. The following are 5 steps for judgment.

The first step is to observe the appearance. Check if there is any obvious deformation, cracks or rust on the outer shell of the electrical ready board. If these problems occur with the shell, it not only affects its appearance, but may also reduce its protective performance, unable to effectively block dust, moisture, and other substances from entering, increasing safety hazards such as short circuits. At the same time, check whether the box door can be closed and locked normally. If the box door is loose or cannot be tightly closed, dust and debris are prone to enter, affecting the operation of internal components.

Step two, check the internal components. Open the electrical ready board and check for burnt, discolored, or loose components such as switches, sockets, fuses, etc. Burned or discolored components indicate that they may have been subjected to overload current, resulting in decreased performance and a risk of immediate damage. Loose components may lead to poor contact, local overheating, and even fire hazards.

Step three, test the insulation performance. Use an insulation resistance tester to measure the insulation resistance between each circuit in the electrical ready board. If the insulation resistance value is lower than the specified standard, it indicates that the insulation of the circuit has aged or been damaged, and there is a risk of leakage. It is necessary to replace the electrical ready board or repair the circuit in a timely manner.

Step four, pay attention to the running sound. When the electrical ready board is running normally, listen carefully for any abnormal sounds such as buzzing or crackling. Abnormal sounds may indicate loose components, poor contact, or internal short circuits, and should be promptly investigated and replaced if necessary.

Step five, consider the service life. Generally speaking, the service life of rural lighting electrical ready boards is 10-15 years. If used for too long, even if the appearance and internal components look normal, replacement should be considered because the internal components may have aged, unstable performance, and potential safety hazards.