Circuit Owner: Tacoma Power (Tacoma, Washington, U.S.A) Cable: 3-phase, 15 kV, XLPE insulated, 4/0 (107 mm 2 ) conductor, 4,800 ft (1,450 m) feeding Ketron Island in Washington’s Puget Sound Problem: Submarine cable was nearing the end of its design life. Serving only 14 residential customers, repair and replacement were prohibitively expensive. Solution: Novinium™ Ultrinium™ 732 fluid Tacoma Power was created in 1893 when Tacoma citizens vo

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