If the water pipe is not properly sealed, it can lead to a burst, which may cause serious damage. Therefore, after completing any water pipeline modifications, it's essential to perform a pressure test on the water system. The pressure should be maintained for at least one hour, with no significant drop in pressure or an average drop of no more than 0.05 MPa. In addition, you should carefully inspect the installation of fixtures like faucets and accessories—ensuring they are square, complete, undamaged, and function smoothly. Also, check that the floor drain is clear and unobstructed. A simple way to test this is by pouring a bucket of water onto the floor and observing if it drains quickly and evenly.
Any concealed wiring embedded in walls must be protected by an outer casing, preferably made of PPR material for durability and safety. The wires used should be suitable for the power requirements of the connected electrical devices. For standard household lighting, wires with a cross-sectional area of 2.5 mm² are typically sufficient. However, for high-power appliances such as air conditioners and refrigerators, it's recommended to use wires with a cross-sectional area of 4 mm² or larger to ensure safe and efficient operation.
Incorrectly connecting the live wire and neutral wire when installing a power outlet can result in a short circuit, which is dangerous and can damage your electrical system. When installing a two-pin socket, the right or upper hole should be connected to the live wire, while the left or lower hole should be connected to the neutral wire. For a three-pin socket, the right hole is for the live wire, the left hole is for the neutral, and the middle pin is for grounding. During the final inspection of the electrical system, a power-on test should be conducted to ensure all lights operate correctly. You can test the sockets using a regular incandescent bulb with a plug to verify proper functionality.
It’s important to follow these guidelines carefully during any plumbing or electrical work to ensure safety, compliance, and long-term performance. Always double-check connections, test systems thoroughly, and consider hiring a professional if you're unsure about any part of the process.
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