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 499
Fig. 374. Rear View of Switchboard Shown in Fig. 373 Circuit breakers, when used, are usually mounted upon thefeeder panels and arranged to open the feeder switch when the cur-rent delivered to the feeder becomes excessive. 449 432 ALTERNATING-CURRENT MACHINERY … K iOl
Electrical engineering
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