JBL.JBT.JB-TL series parallel groove clamp specifi

applicaton: JBL.JBT.JB-TL series parallel groove clamp is suitable for unendure force splicing and branch on the aerial wire,being used with insulaton cover .It's action is insulation protection. Structure feature: select oxidize-resiastance aluminium alloy all parts connected with each other.it can't lose parts during installation. an arc embrace the most part,conductor can change. Insulation cover performance feature: withstand voltage:≥18KV keep voltage one minute not breakdown insulation resistance:>1.0* 10 14 Ω environments temperature:-30°c-90°c weather proof performance:have good performance after 108 hours artificial climate aging test.