Heat shrinkable rainsheds are a type of electrical insulation accessory used to protect the cable from the environmental effects like rain, moisture and snow.
These rainsheds are made from cross-linked polyolefin, which is a common material used for insulation in electrical applications. They are designed to be slipped over the end of a high voltage cable and then heated to shrink into place, providing a secure seal against moisture and other elements.
Heat shrinkable rainsheds come in different sizes and shapes to accommodate different cable sizes and shapes. They are widely used in the power distribution industry for outdoor electrical equipment, such as transformers and switchgear.
Here are the general steps to use a heat shrinkable rainshed:
Choose the right size of the rainshed that corresponds to the size of the cable.
Clean the cable and remove any dirt, oil or grease that might be present, because it might hinder proper bonding between the rainshed and the cable.
Slide the rainshed over the end of the cable so it is positioned as desired.
Apply heat to shrink the rainshed into place. You can use a heat gun or other heating tool to apply heat evenly until the rainshed contracts and snugly fits the cable's contours.
Make sure the rainshed is well applied and there are no gaps between the cable and the rainshed.
These are general instructions for using a heat shrinkable rainshed, but specific instructions may vary depending on the manufacturer and product type. It's important to read the manufacturer's instructions and guidelines carefully before use.