Wind power cable protective sleeve is a kind of protective sleeve mainly used to protect cables. There are many kinds of protective sleeves in terms of classification, such as straight barrel high temperature resistant sleeve, snap on high temperature resistant sleeve and high temperature resistant tape. Each protective sleeve has its own purpose, which is to meet the protection requirements of cables under different environmental conditions.

Ducts can be classified by section shape and material. According to the cross-sectional shape, the air duct can be divided into circular air duct, rectangular air duct, flat round air duct, etc. among them, the circular air duct has a small resistance and a large height dimension, and the manufacturing is complex. Therefore, rectangular air ducts are mainly used. According to the material, the air duct can be divided into metal air duct and composite air duct. Generally, non combustible flexible materials are used, such as fireproof mud.