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 216
il switches can be supplied with a large numberof attachments or auxiliaries for producing certain results undercertain conditions. Low voltage coils will trip the switch when thevoltage falls below a predetermined value. Shunt trips are fortripping from a constant potential source. They-can be… … Single-Pole 110,000-Volt Oil BreakSwitch, Pneumatically-OperatedCourtesy of General Electric Company 191 94 SWITCHBOARDS DISCONNECTING SWITCHES Design. Disconnecting switches are in most cases only mod-ifications of the ordinary lever switch. They must, of course, beinsulated for the voltage on…
Electrical engineering
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