A broad usage in the low voltage insulation lines, leading the branch connection from the main conductor, T-connection of low voltage insulation wire service and cable branch connection for building distribution system.| TYPE | Applicable conductor range mm2 | BOLTS QTY. | |
| Main line section | Branch line section | ||
| JBC-1 | 35-70 | 6-35 | 1 |
| JBC-2 | 35-150 | 35-150 | 1 |
| JBC-3 | 50-240 | 50-150 | 2 |

A broad usage in the low voltage insulation lines, leading the branch connection from the main conductor, T-connection of low voltage insulation wire service and cable branch connection for building distribution system.

It is applicable to connect: low voltage aerial naked cable (Cu, Al) or insulated cable etc.
There is different kind of connector for different kind of main line connection