XP281F is fit for the connection between cables like following:
main line section: from 50  to 185 mm2
branch line section: from 6 to 35 mm2

There is no need to peel the insulation outer layer of the cable and it can be used directly as the cable branch. The tie-in is totally insulated.
       
Can make the branch at anyplace of the cable, it is no need to cut off the main cable.
       
Tie-in is twist proof, quakeproof, waterproof, aging proof, without maintenance.
       
The installation is quite easy and reliable, you only need one spanner and can install when it still has power.
       
The installing space is very small, it can save the cost of the cable trunking and construction.
       
It don't need the cable terminal case, etc, that can save the investment in the cable.
       
The cost of cable and connector is far less than mother-line trough power supply system.
       
It has been used successfully in worldwide for 29 years.