HEA earthing connections are available for delivery as entries or earthing fixed points in various designs to meet prevailing requirements. Both solutions for installation in concrete walls flush with shuttering and solutions for retrofitting in drill holes are available. Hauff-Technik offers an insulated earthing entry specifically for station construction. The earthing connections, which are manufactured in stainless steel to the highest quality standards, maintain their function throughout their service life. They are used for protective earthing, functional earthing, operational earthing and lightning protection earthing, for example.