2. wire coat and insulation.
3. make the joint of terminal block and wire insulated.
4. divide the colors.
5. water-proof.
6.protection and insulation of insistors and electrical capacitors.
Shrink ratio: 2:1 3:1 4:1
Soft, flame
Environmental standards : RoHS , CE
Standard Colors: black, white, red, blue, yellow, green; Other colors can be customized