Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 108
ich are injurious to the insulation, comein contact with the cable, it is necessary that it be protected insome manner. A lead sheath is employed for this purpose. Thissheath is made continuous for the whole length of the conductor,and with its use it is possible to employ insulating materials… … SPECIAL 135-FOOT TOWERS USED FOR MISSISSIPPI RIVER CROSSING AT HAMILTON, ILLINOIS, IN CONNECTION WITH THE MISSISSIPPI POWER DAM AT KEOKUK, IOWA Courtesy of Mississippi River Power Company POWER TRANSMISSION 81 LEAD -//VSUl AT/ON this purpose. The sheath may consist of a lead pipe into whichthe…
Electrical engineering
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