Cold shrinkable cable accessories are components of various cable accessories made of elastomer materials (commonly used silicone rubber and Ethylene propylene rubber), which are molded by injection vulcanization in the factory, then expanded and lined with plastic spiral supports. During on-site installation, these pre expansion components are placed at the end or joint of the processed cable, and plastic spiral strips (supports) with internal support are pulled out and pressed onto the cable insulation to form a cable accessory. Because it relies on elastic retraction force at room temperature, rather than using fire to heat and shrink like heat shrink cable accessories, it is commonly known as cold shrink cable accessories. The early cold shrink cable terminal only used silicone rubber cold shrink components for additional insulation, and the electric field treatment still used stress cone or stress tape wrapping.
Cold shrinkage stress control tubes are commonly used, with voltage levels ranging from 10kV to 35kV. Cold shrink cable accessories, 1kV grade using cold shrink insulation pipes as reinforced insulation, 10kV grade using joint cold shrink insulation with inner and outer semi conductive shielding layers. Cold shrink branch sleeves are used at the forks of the three core cable terminals.
Post time: Jul-12-2023
