The ETC IDB _- 24/250 Integral Deadbreak Bushing (”_”A-universal; B-lengthened) combines the advantages of reliable integral design with the operating features required for three phase switching. The bushing is designed for padmounted transformers, switchgear and other apparatus filled with transformer oil, or an approved equivalent. It eliminates the insert-to-well interface present in bushing well and insert primary terminations. The Bushing is molded with high quality insulating material. When mated with comparably rated products, it provides a fully shielded, submersible and separable connection for deadbreak operation. The ETC IDB_-24/250 Integral Deadbreak Bushing includes two kinds. Type A is used in oil-insulated apparatus and type B is suitable for the air-insulated devices.