Is The Waterproof Performance Of The Pre-insulated Sleeve Reliable?
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In power distribution networks and overhead line connections, pre insulated sleeve is commonly used for the external protection of cable terminations and connections, while the design of pre insulated junction sleeve is largely influenced by environmental conditions. Most insulated joint sleeve products use a combination of UV-resistant plastics and metal alloys to physically isolate moisture and dampness.
Some manufacturers install plastic end caps at both ends of the bushing, along with weather-resistant treatments to reduce the pathways for rainwater to seep into the connection area. In practice, this combination demonstrates reliable protection against moisture and splashes in common outdoor installation environments.
