The grounding kit SK 200, Clamp S 200 is designed for voltage measurement, short-circuiting, and protective grounding of insulated overhead lines (VLI) during maintenance work. The kit includes an insulated clamp S 200 and a piercing connector OR 645. The S 200 clamp connects to the self-supporting insulated conductor (SIP) using the OR 645 piercing connector and is installed on conductive and neutral conductors for the entire service life of the line. The insulated clamp S 200 is made of copper rod coated with a UV-resistant polymer, and the working part is covered with a protective cap. The product is manufactured in accordance with TU 3449-004-52819896-2010.