The color of phase tube will not fade.
A triangle mat cone has been developed in order to make construction convenient.
The finger cone structure, which will not be cracking.
New connection processes (three sealing processes), which can make the cable working more reliably. The so-called three sealing processes mean outside protection sealing, inside protection sealing and the both ends of internal insulation tube sealing.
The insulation tube is prolonged, which can solve creepage concerns.
The protection tube is soft and antiflaming.