Standard: IEC60840, GB/T11017 and other relative standards                                                         Product Model: YJJJZ insulation joint; YJJTZ straight joint                                                                 Cable specification: 240-1600mm²                                                                                                                                Usage Scale: For connection of two sections cable in direct burial, working well or tunnel, the cable metal bushing can be connected across;   Usage Temperature: -50°C- 70°C ;   Altitude: less than 1200m    Product Characteristics:  simple installation, convenient construction reliable performance                Sheath Type:  Ordinary type -- waterproof adhesive tape + protective tube + thermal contraction tube (code 0)  Waterproof type -- waterproof adhesive tape + protective tube + waterproof case + waterproof glue (code 1)