To prepare a guide for the evaluation of the remaining life of impregnated paper insulated transmission cable systems. Many cable circuits are now approaching the end of their theoretical life. There are currently no guidelines for evaluating the remaining life of cables. The guide will provide technical background, brief discussions and advice, with frequent reference to the literature, to those needing to evaluate the remaining life of impregnated paper insulated transmission cables. New IEEE Standard - Inactive-Reserved. Reaffirmed September 2007. This guide provides technical information regarding factors that can affect the life of an impregnated paper-insulated transmission cable system, and it reviews available methods to evaluate the remaining life of such systems and preventive maintenance to extend their service life