Abstract
The design of an aluminum underground secondary cable that significantly reduces field failures caused by mechanical damage to the insulation is described. It consists of a self-sealing layer between the conductor and the insulation. If the insulation is cut or punctured through to the conductor, the opening is filled by the self-sealing material, and corrosion due to AC electrolysis is prevented or greatly inhibited. The design is described, and results of comparative tests of existing self-sealing cables and the present design are reported.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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