Development and Installation of 138 kV Cable for Tests at EEI Waltz Mill Station: Cable 26

The development of a flexible, ethylene-propylene base insulated cable by The Okonite Company for 138 kV underground systems is reported up to the actual test installation at Waltz Mill. This paper describes the design development and prototype work, the successful qualification testing of the ultimate cable construction, and the development and qualification testing of a simplified vulcanized splice.