Introduction : Power has wide range of tested stainless steel made link boxes and sheath voltage limiter covering full range of HV cable sheath earthing application for 66 KV to 400 KV Underground Power Cables. Link Boxes provide sealed and dry environment to HV Cable Sheath Earthing. Also Stainless steel boxes are designed such as it is easy to install and reliable against sudden fault occurrence. Types Of Link Box : Power has following types of Link Boxes: Single Phase Link Box Three Phase Straight Bonding Link Box (3-1 Way) Three Phase Cross Bonding Link Box (3-1 Way) Three Phase Cross Bonding Link Box (6-1 Way) Features : Mechanical Feature: Enclosures are rated IP65 for Outdoor/Indoor application and IP68 for Underground application. Enclosures are made from high quality Stainless Steel(SS304) with powder coated. Conductor is made from High Conductive Copper with Tinned Plated. Epoxy Resin insulator is used to separate live parts from enclosure. is used as per the specification of Bonding cable. Link Boxes are sealed with Rubber gasket and Check Nuts. Electrical Feature: High conductive electrolyte copper is designed such as it will sustain up to 40KA short circuit current for 1 sec. Link Boxes have Epoxy Insulators which maintain the insulation between Live parts and Earth. Double Earthing will provided with special client requirement. Insulation between Phase to Phase and Phase to Earth will be Type Tests: 25 KV DC Voltage withstand Test for 1 min. Degree of protection IP65 and IP68.