偷窥日本少妇撒尿Chinese,蓝男色蓝摄GAY裸男CHINA,少妇又紧又深又湿又爽视频,国产乱人伦精品一区二区

As a popular lamp in decoration in recent years, led geographical lamp has penetrated into everyone's life. No matter in outdoor square or in some indoor environment, led geographical lamp can be seen everywhere. However, many people are still curious about the installation of LED geographical lights. After all, how is it installed in a lamp buried underground like this? Now let's introduce how the LED lamp is constructed.

In fact, the construction of LED geographical lights is not difficult. First of all, it is necessary to make good preparations before construction. Led geographical lights are basically buried underground. The problem faced by such lamps during construction is the closeness. The closeness of lampshade should be strictly controlled, and the corresponding lines also need to be well protected. This time, the normal use of lamps after installation can be ensured. If the closeness is not good, it is easy to cause short circuit due to water inflow.

After the preparatory work is completed, the installation of the lamp body will begin. The first thing is the preparation of the pit. It is necessary to match the model size of its own LED geographical lamp. After the lamp body is installed, it is necessary to achieve good sealing. After all, it is easy to be corroded in the soil.

After the completion of the work is the wiring of the lamp body, the power line of the LED geographical lamp, to choose the regular waterproof wire, and in the construction process, the wiring should not be too scattered, the use of special junction box, unified wiring, so as to facilitate future maintenance and repair work.

In fact, the construction of LED geographical lamp is not very complicated, the key point is to ensure its closed environment. However, in different environments, there may be different requirements. Professional manufacturers have a special design team. After the purchase, they will be responsible for the corresponding design work to ensure the best use effect of consumers. Therefore, when buying led geographical lights, you can also put the installation and design work of the following sequence into one of the requirements of selecting manufacturers, and choose more professional manufacturers as far as possible, which can also be regarded as reassuring for you to buy.

Article source: Infineon lightinghttp://n92h.cn