International Library of Technology · Scranton, International Textbook Co. · leaf 141
is screwed on contact terminal Sy Purerubber, which generally comes in sheets, is cut into stripsabout 1 inch or 1£ inches wide, and the joint is taped asshown at C, allowing the tape to lap over the cable armorabout 1 inch. The rubber tape is afterwards covered with 15 ELECTRIC TRANSMISSION. 25… … Conductor EDISON UNDERGROUND-TUBE SYSTEM. 29. The Edison underground-tube system differsfrom the conduits previously described in that the con-ductors are placed in iron tubes that are buried in theground. The conductors are,therefore, not removable. Thisarrangement has been used ex-tensively by…
Electrical engineering
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