Threading pipes are not only essential in outdoor cable installation but also widely used in everyday home wiring. In residential settings, they serve as protective conduits for electrical cables, ensuring safety and durability. Choosing the right threading pipe is crucial for both performance and longevity. Let’s explore how to select the best one for your home.
These pipes are suitable for indoor environments, including areas exposed to high temperatures, dust, vibration, and even fire hazards. They can also be used in damp conditions, though it's important to avoid extremely wet, acidic, alkaline, or salty environments, as well as explosive locations. The operating temperature range is typically between -15°C and +40°C. One of the key advantages of threading pipes is their excellent mechanical strength, corrosion resistance, and ability to withstand high pressure—often exceeding 2.5 MPa. Their smooth inner surface reduces fluid resistance, prevents scaling, and inhibits microbial growth. Additionally, they have a low coefficient of thermal expansion, meaning they won’t shrink or deform over time. Traditional installation methods are commonly used, and many modern threading pipes feature an epoxy coating that protects against water, soil, and chemical corrosion, extending their lifespan to over 50 years.
For safety and fire prevention, it’s recommended to use copper core wires. The wire gauge should be chosen based on its purpose: 1.5 mm² for lighting, 2.5 mm² for outlets, and 2.5 mm² for air conditioning units. The grounding wire is usually green and yellow, while live wires can be red, black, white, or purple. It’s important to maintain consistent color coding throughout any home improvement project to ensure clarity and safety.
When selecting a threading pipe, opt for flame-retardant PVC piping with a smooth surface and sufficient wall thickness—enough to resist breaking when pressed with a finger. Always check for a certificate of conformity. Alternatively, you can choose nationally standardized galvanized pipes designed specifically for this purpose.
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