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 271
to the floor designated and stops there. These pushbuttons are arranged one above another in a metal box. Fig. 144, and 235 186 ELEVATORS are connected by means of a flexible cable with the necessary wiresw^hich run in the proper conduits to the hatch switches and to thecontroller. Safety Doors.… … floor 5top Device Fig. 141. Wiring Diagram of Five-Floor Automatic Push-Button Control for Three-Pha.se Motor Courtesy of Kaestner and Ilrclil Company elevator is out of service for the time being and cannot be startedagain until that door is closed. To prevent opening the elevatordoor when the car…
Electrical engineering
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