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Application fields: single core, two core, three core, four core (also divided into four core and 3 + 1), five core (also divided into five core, 3 + 2 and 4 + 1) cross-linked power cables play the role of sealing, insulation and branching. When the cable length is insufficient during construction, use intermediate joints to connect and prolong the effect.
Product features: both ends of the outer protective sleeve and the insulating pipe are coated with hot-melt adhesive, which has excellent electrical and mechanical properties and can be used for a long time in a disadvantaged environment.
| Experimental project | Standard requirements | experimental result | conclusion |
| 1min power frequency withstand voltage test | 4KV, no flashover, no breakdown | 4KV / 1min, no flashover, no breakdown | qualified |
| Load cycle test (three cycles) | Conductor temperature during 5h heating, 3h cooling and heating: 75 ℃ | Evaluated by: | |
| 4h power frequency withstand voltage test | 2.4kv without flashover and breakdown | 2.4kv/4h, no flashover and no breakdown | qualified |
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