What is YJV22 cable? Does YJV22 cable need to be laid in conduit when buried underground?

2025-08-30 Leave a message

YJV22 cable is a low-voltage power cable widely used in power transmission and distribution systems, particularly suitable for underground installation. It consists of multiple conductors, typically copper or aluminum, which offer excellent electrical conductivity. Here are some key features of YJV22 cable:


1. Insulation: YJV22 cable typically utilizes cross-linked polyethylene (XLPE) insulation, which offers excellent electrical performance and heat resistance, making it suitable for a wide range of environmental conditions.


2. Shielding: YJV22 cable often features a metallic shield to minimize electromagnetic interference and maintain circuit stability.


3. Jacket: The cable's jacket is typically made of polyvinyl chloride (PVC) or polyethylene (PE) to provide additional physical protection against damage and environmental factors.


4. Underground Installation: YJV22 cable is well-suited for underground installation because its construction and materials enable it to withstand the pressure and humidity of the underground environment while maintaining circuit integrity.


5. Applications: YJV22 cables are widely used in various applications, including buildings, industrial facilities, power distribution, underground cable tunnels, and other locations requiring low-voltage power transmission.


Does YJV22 cable require conduit when laid underground?


YJV22 cables typically require conduit when laid underground. This is because conduit provides several important advantages:


1. Physical Protection: Conduit provides additional physical protection for the cable, preventing damage from external pressure, mechanical damage, and compression. This is crucial for buried cables, as the underground environment can present various potential hazards.


2. Waterproofing and Moisture Control: Conduit helps prevent the effects of underground moisture and humidity on the cable. Keeping the cable dry is critical for ensuring stable electrical performance.


3. Ease of Maintenance and Replacement: If maintenance or replacement of the cable is necessary, conduit provides convenient access and replacement without having to excavate the entire buried area.


4. Compliance with Regulations and Standards: In some regions and applications, regulations and standards may require the use of conduit when laying cables underground to ensure the safety of electrical equipment and infrastructure.