w ring provides immediate feedback to determine if the elbow is properly installed on the insert.The Bushing Insert are molded using high quality sulfur-cured insulation and semi-conduction EPDM rubber When mated with a comparably rated component, the bushing insert provides a fully shielded and submersible connection for load break operation.DescripionReference No.operating voltageoperating nominal current200A 15kV Bushing lnsertAH DTT-15/20015kV200A