Branch Cable Joints

 

  • Large and versatile shells manufactured from a combination of high impact thermoforming rigid PVC and precision injected moulded polycarbonate
  • All mains branch cable joint shells will accommodate plastic cable, waveform and PILCSTA (paper insulated lead covered steel taped armoured) cables
  • Branch cable joints are suitable for cut and uncut mains with a mains branch or double service cable
  • Supplied as complete kits including all necessary components to make off a cable joint, including joint shell, Birkett Swishpak® 2 part resin compound, earth bonding set and core connectors

 

  • Branch cable joints are supplied with range taking mechanical connectors capable of jointing dissimilar conductor sizes
  • Shear bolt mechanical connectors are supplied on 70mm² kits and above (B70 – B400)
  • Transparent shells allowing full inspection before pouring of resin with a tongue and groove snap together method for mating each half. When backfilled the design ensures no leakage of resin
  • Mixing of a high performance 2 part polyurethane resin in a transparent, totally enclosed extremely safe handling single Swishpak®
  • Tested for safe use by the Health and Safety Executive. All traces of hardener are eliminated after mixing ensuring that the Swishpak® can be disposed of as non-hazardous waste

Branch Cable Joint Selection Chart

As standard all branch joints are supplied with connectors to suit the maximum branch cable size.

Selection charts are for copper conductors. Where jointing aluminium conductors, sizes may differ. Please contact our technical department for assistance.

 Uncut Main Cable (mm²)
        
Branch Cable (mm²)1.5mm²
2, 3, 4, 5 Core
2.5mm²
2, 3, 4, 5 Core
4mm²
2, 3, 4, 5 Core
6mm²
2, 3, 4, 5 Core
10mm²
2, 3, 4, 5 Core
16mm²
2 Core
16mm²
3, 4, 5 Core
25mm²
2, 3, 4, 5 Core
35mm²
2, 3, 4 Core
50mm²
2, 3, 4 Core
1.5 x 2, 3 CoreB10B10B10B10B10B10B25B25B35B50
2.5 x 2, 3 CoreB10B10B10B10B10B25B25B35B50
4 x 2, 3 CoreB10B10B10B10B25B25B35B50
6 x 2, 3 CoreB10B10B10B25B25B35B50
10 x 2, 3 CoreB10B10B25B25B35B50
10 x 4 CoreB35B35B35B35B50
16 x 2, 3 CoreB10B25B25B35B50
16 x 4 CoreB35B35B35B50
25 x 2, 3 CoreB25B35B50
25 x 4 CoreB35B35B70
35 x 2, 3, 4 CoreB70B70

 Uncut Main Cable (mm²)
       
Branch Cable (mm²)50mm²
2, 3, 4 Core
70mm²
2, 3, 4 Core
95mm²
2, 3, 4 Core
120mm²
2, 3, 4 Core
150mm²
2, 3, 4 Core
185mm²
2, 3, 4 Core
240mm²
2, 3, 4 Core
300mm²
2, 3, 4 Core
400mm²
2, 3, 4 Core
4 Core upto 16mmB50MS70MS120MS120MS185MS185MS300MS300B400
2, 3 Core upto 35mmB50MS70MS120MS120MS185MS185MS300MS300B400
25 x 4 CoreB50B70B120B120B185B185B300B300B400
35 x 4 CoreB50B70B120B120B185B185B300B300B400
50 x 2, 3, 4 CoreB70B70B120B120B185B185B300B300B400
70 x 2, 3, 4 CoreB70B120B120B185B185B300B300B400
95 x 2, 3, 4 CoreB120B120B185B185B300B300B400
120 x 2, 3, 4 CoreB120B185B185B300B300B400
150 x 2, 3, 4 CoreB185B185B300B300B400
185 x 2, 3, 4 CoreB185B300B300B400
240 x 2, 3, 4 CoreB300B300B400
300 x 2, 3, 4 CoreB300B400
400 x 2, 3, 4 CoreB400

Branch Cable Joint Dimensions

Kit ReferenceMaximum Mains Core Size (mm²)Maximum Branch Core Size (mm²)Maximum Cable Diameter (mm)External Length (mm)External Width (mm)
B1010 x 5 Core10 x 3 Core33210120
B2525 x 5 Core25 x 3 Core39256156
B3535 x 4 Core35 x 4 Core32395
190
B5050 x 4 Core35 x 4 Core40395190
B7070 x 4 Core70 x 4 Core40470192
B120120 x 4 Core120 x 4 Core50540215
B185185 x 4 Core185 x 4 Core60585245
B300300 x 4 Core300 x 4 Core70800290
B400400 x 4 Core400 x 4 Core80980290