Branch Cable Joints
All Kits Supplied Complete With Range Taking Mechanical Connectors
- 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 Core2.5mm²
2, 3, 4, 5 Core4mm²
2, 3, 4, 5 Core6mm²
2, 3, 4, 5 Core10mm²
2, 3, 4, 5 Core16mm²
2 Core16mm²
3, 4, 5 Core25mm²
2, 3, 4, 5 Core35mm²
2, 3, 4 Core50mm²
2, 3, 4 Core
1.5 x 2, 3 Core B10 B10 B10 B10 B10 B10 B25 B25 B35 B50
2.5 x 2, 3 Core B10 B10 B10 B10 B10 B25 B25 B35 B50
4 x 2, 3 Core B10 B10 B10 B10 B25 B25 B35 B50
6 x 2, 3 Core B10 B10 B10 B25 B25 B35 B50
10 x 2, 3 Core B10 B10 B25 B25 B35 B50
10 x 4 Core B35 B35 B35 B35 B50
16 x 2, 3 Core B10 B25 B25 B35 B50
16 x 4 Core B35 B35 B35 B50
25 x 2, 3 Core B25 B35 B50
25 x 4 Core B35 B35 B70
35 x 2, 3, 4 Core B70 B70
Uncut Main Cable (mm²)
Branch Cable (mm²) 50mm²
2, 3, 4 Core70mm²
2, 3, 4 Core95mm²
2, 3, 4 Core120mm²
2, 3, 4 Core150mm²
2, 3, 4 Core185mm²
2, 3, 4 Core240mm²
2, 3, 4 Core300mm²
2, 3, 4 Core400mm²
2, 3, 4 Core
4 Core upto 16mm B50 MS70 MS120 MS120 MS185 MS185 MS300 MS300 B400
2, 3 Core upto 35mm B50 MS70 MS120 MS120 MS185 MS185 MS300 MS300 B400
25 x 4 Core B50 B70 B120 B120 B185 B185 B300 B300 B400
35 x 4 Core B50 B70 B120 B120 B185 B185 B300 B300 B400
50 x 2, 3, 4 Core B70 B70 B120 B120 B185 B185 B300 B300 B400
70 x 2, 3, 4 Core B70 B120 B120 B185 B185 B300 B300 B400
95 x 2, 3, 4 Core B120 B120 B185 B185 B300 B300 B400
120 x 2, 3, 4 Core B120 B185 B185 B300 B300 B400
150 x 2, 3, 4 Core B185 B185 B300 B300 B400
185 x 2, 3, 4 Core B185 B300 B300 B400
240 x 2, 3, 4 Core B300 B300 B400
300 x 2, 3, 4 Core B300 B400
400 x 2, 3, 4 Core B400
Branch Cable Joint Dimensions
Kit Reference Maximum Mains Core Size (mm²) Maximum Branch Core Size (mm²) Maximum Cable Diameter (mm) External Length (mm) External Width (mm)
B10 10 x 5 Core 10 x 3 Core 33 210 120
B25 25 x 5 Core 25 x 3 Core 39 256 156
B35 35 x 4 Core 35 x 4 Core 32 395
190
B50 50 x 4 Core 35 x 4 Core 40 395 190
B70 70 x 4 Core 70 x 4 Core 40 470 192
B120 120 x 4 Core 120 x 4 Core 50 540 215
B185 185 x 4 Core 185 x 4 Core 60 585 245
B300 300 x 4 Core 300 x 4 Core 70 800 290
B400 400 x 4 Core 400 x 4 Core 80 980 290