File:Pacific Gas and Electric magazine (1914) (14782495045).jpg

Identifier: pacificgaselectr61915paci (find matches)
Title: Pacific Gas and Electric magazine
Year: 1909 (1900s)
Authors: Pacific Gas and Electric Company
Subjects: Pacific Gas and Electric Company Electric utilities Public utilities
Publisher: (San Francisco, Calif.) : Pacific Gas and Electric Co.
Contributing Library: San Francisco Public Library
Digitizing Sponsor: San Francisco Public Library

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cli cables rest. chored into blocks ofconcrete buried inthe ground on eachside of the strait andthree towers sup-ported the cableshigh in the air abovethe water. Two ofthe towers, namelythe Main Tower, 224feet high, and theLeaning Tower, 84feet high, are located on the north sideof the strait and the third, called SouthTower, 64 feet high, is located on thesouth side of the strait. On the tops of the towers porcelaininsulators, similar to those used on thelines, were cemented on metal pins seton wooden crossarms. The cables restin sheaves on the tops of the insulators.At the ends of the cables mica sleevesimmersed in oil completelj insulate thecables from the ground and, at tiie sametime, withstand the strain of tension onthe cables. During these fourteen years of con-tinuous operation, this unique piece ofengineering lias never failed, in spile ofthe fact (hat it is situated in a territorywliere the atmospliere is laden at all
Text Appearing After Image:
Style of filil ciilile niulior, 348 Pacific Service Magazine I times with heavy salt fogs and acidfumes. And now the continuous demand formore power around the hay region dur-ing the present year has necessitated tlieaddition of two more cables,which, with the original four,now provide two independentthree-phase lines across thestrait where but one existedpreviously. Thus we are nowenabled to deliver double theamount of power from the cables which manufacturers have now tooffer, it became evident tlial liie old oneswere as good, if not better, tlian any ofthe others, and, besides, tlieir past recordleft no margin for improvement. Tliey

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