Installers working on high-voltage systems are required to use a reliable earth conductor suitable for daily use. The lightweight, highly flexible earth conductor ESY can be handled optimally at temperatures below 0°C and meets the highest requirements: The wire is made of the finest copper wires which meet the requirements of the highest class 6 of the IEC standard. The sheath made of polyurethane (PUR) ensures optimum protection against wear and embrittlement caused by sun exposure during outdoor use.