Branch Cable Joints

Branch Joint Selection Chart
For branch joints supplied complete with earth continuity and range taking mechanical connectors.

Uncut main cable size (mm²)
Branch Cable
(mm²)
1.5mm
2,3,4,5
Core
2.5mm
2,3,4,5
Core
4mm
2,3,4,5
Core
6mm
2,3,4,5
Core
10mm
2,3,4,5
Core
16mm
2
Core
16mm
3,4,5
Core
25mm
2,3,4,5
Core
35mm
2,3,4
Core
50mm
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 B50
35 x 2,3,4 Core B35 B50

Uncut main cable size (mm²)
Branch Cable
(mm²)
50mm
2,3,4
Core
70mm
2,3,4
Core
95mm
2,3,4
Core
120mm
2,3,4
Core
150mm
2,3,4
Core
185mm
2,3,4
Core
240mm
2,3,4
Core
300mm
2,3,4
Core
400mm
2,3,4
Core
4 Core up to 16mm B50 MS70 MS120 MS120 MS185 MS185 MS300 MS300 B400
2,3 Core up to 35mm B50 MS70 MS120 MS120 MS185 MS185 MS300 MS300 B400
25mm x 4 Core B50 B70 B120 B120 B185 B185 B300 B300 B400
35mm x 4 Core B50 B70 B120 B120 B185 B185 B300 B300 B400
50mm x 2,3,4 Core B70 B70 B120 B120 B185 B185 B300 B300 B400
70mm x 2,3,4 Core B70 B120 B120 B185 B185 B300 B300 B400
95mm x 2,3,4 Core B120 B120 B185 B185 B300 B300 B400
120mm x 2,3,4 Core B120 B185 B185 B300 B300 B400
150mm x 2,3,4 Core B185 B185 B300 B300 B400
185mm x 2,3,4 Core B185 B300 B300 B400
240mm x 2,3,4 Core B300 B300 B400
300mm x 2,3,4 Core B300 B400
400mm x 2,3,4 Core B400

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

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

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Branch Cable Joint Dimensions

Branch
Kit Ref.
Maximum Mains
Cable Size (mm²)
Maximum Branch
Cable 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