Leadthrough arrangement.

摘要

A leadthrough arrangement for providing an electrical connection through the wall of a furnace, comprises a tubular body (2) having an electrical conductor (4) passing therethrough and electrically isolated therefrom, there being an insulating sheath (10) surrounding the conductor (4) throughout its length within the body (2), and a heat sink (9) mounted on the conductor (4) externally of the body (2). The body (2) is adapted to be mounted over an opening in a furnace wall in vacuum tight manner.