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1. When we are decorating, we must pay attention to when we sign the contract, we must first lead the electrician to come to the door to plan and set the point! Then we will carry out the budget! Generally, if the cost is exceeded after the completion, it can not exceed 10%, exceeding the budget. Part is not to be given!
2. In the case of weak current transformation, it is necessary to pay attention to the use of shielded cables. Most of the strong and weak electricity are taken from the ground, and the situation of strong and weak electric cross and close parallel is very common. If you do not shield the cable, it will cause some interference to the signal.
3, in the hydropower transformation, generally use PVC pipe! Can not use JDG pipe!
4, water pressure test This is the most important point to be ignored, the pressure at the time of testing is not less than 0.6 MPa, the static pressure for 15 minutes, the pressure does not fall back. In addition, it is necessary to look at the smoothness of the water flow and conduct a watering test to prevent the situation of insufficient water pressure and poor water supply.
5, when installing the socket switch, there is no specific regulation on how many must be installed, these can be designed, installed and used according to their own needs! After the combination of the advice of the masters, comprehensive design, reasonable layout!
Hydropower transformation considerations
Whether it is in the home improvement or in the tooling, the hydropower transformation is a hidden project. It is a very important link! If it is not done well during the renovation, it will bring hidden dangers and inconvenience to the residents in the later stage! Beijing Hongdatong Professional The electrician reminded that when the hydropower transformation is completed, the following five key points must be done: