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 197
lted in greatly lessening, if not in entirely removing, the dangersfrom this cause. Surveys should be repeated occasionally sincenew electric circuits or new pipe lines may create an altered condi-tion in underground distribution of currents. High Tension Lines. In recent years there has, in most… … Fig. 47.* Crossover Arrangement for High-Tension Circuits requiring very careful attention. The Code states the followingcauses of fire which may come from high-voltage (over 5,000) lines: Accidental crosses between such lines and low-potential lines may allowthe high-voltage current to enter…
Electrical engineering
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