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 226
es. Switches are devices for closing or opening acircuit. Several different kinds are used, the design dependingupon the character and the severity of the service. For low volt-age circuits (125 or 250 volts) of 10 amperes or less, snap switchesare often used. These switches are usually of the kind… … Fig. 6C. Exploded View of Double-Pole Lever SwitchCourtesy of General Electric Companij sure overcomes the friction, when the switch opens or closes witha quick snapping action. Lever Switches. Lever or knife switches consist of blades ofcopper operating in clips attached to copper blocks. One end…
Electrical engineering
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