American Electric Railway PracticeMcGraw publishing Company, 1907 - 403 стор. |
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American Electric Railway Practice Albert Bledsoe Herrick,Edward Carlisle Boynton Повний перегляд - 1907 |
American Electric Railway Practice Albert Bledsoe Herrick,Edward Carlisle Boynton Повний перегляд - 1907 |
American Electric Railway Practice Albert Bledsoe Herrick,Edward Carlisle Boynton Попередній перегляд недоступний - 2016 |
Загальні терміни та фрази
air brakes alternating current amperes armature average axle block bolts cable car body car house carried cent circuit coil concrete conductor connections construction contactors controller copper cost curves despatcher direct current Dutch Neck electric railway electrolysis engineer equipment fare feeder feet flange floor freight gear give grade handle heat heaters heavy inches increase insulating interurban roads iron joint labor lamps length light lightning arrester lubrication maintenance Manufacturing metal method miles per hour motor car motorman necessary operation passengers pipe pits placed points pole pounds power station railroad repair resistance reverse rheostat rods schedule speed shoe shows side signal single phase steam roads stops switch third rail tion track traffic trailer train transfer table trolley pole trolley wheel trolley wire truck usually vestibule voltage weight Westinghouse width
Популярні уривки
Сторінка 175 - Must be so spliced or joined as to be both mechanically and electrically secure without solder. The joints must then be soldered, to insure preservation, and covered with an insulation equal to that on the conductors.
Сторінка 180 - General Rules. 1. When passing through floors, conductors or cables must be protected by approved insulating bushings, which shall fit the conductor or cable as closely as possible. 2.
Сторінка 179 - ... in a canvas hose or canvas tape, thoroughly taped or sewed at ends and where taps from the cable are made, and the hose or tape enters the controllers. Conductors with or without flame-proof braided outer covering connecting between controllers at either end of the car, or, controllers and contactors may be run as a cable, provided the cable throughout its entire length is surrounded by |-inch flame-proof covering, thoroughly taped or sewed at ends, or where taps from cable are made, and the...
Сторінка 176 - Section i, 2, must have the metal of the conduit permanently and effectively grounded. 5. Junction and outlet boxes must be installed in such a manner as to be accessible. . 6. All conduits, outlets, or junction boxes and fittings to be firmly and substantially fastened to the framework of the car.
Сторінка 175 - Joints made with approved splicing devices and those connecting the leads at motors, plows, or third rail shoes need not be soldered. (6) All connections of cables to cut-outs, switches and fittings, except those to controller connection boards, when designed to carry over 25 amperes, must be provided with lugs or terminals soldered to the cable, and securely fastened to the device, by bolts, screws or by clamping; or, the end of the cable, after the insulation is removed, shall be dipped in solder...
Сторінка 175 - ... or by clamping; or, the end of the cable, after the insulation is removed, shall be dipped in solder and be fastened into the device by at least two set screws having check nuts. All connections for conductors to fittings, etc., designed to carry less than 25 amperes, must be provided with up-turned lugs that will grip the conductor between the screw and the lug, the screws being provided with flat washers; or by block terminals having two set screws, and the end of the conductors must be dipped...
Сторінка 178 - ... inch from the surface wired over, and being not over 12 inches apart. h. Air Pump Motor and Circuits. 1. Circuits to be run in approved metal conduit or in approved moulding, except that when run below the floor of the car they may be supported on porcelain knobs or cleats, provided the supports raise the conductor at least \ inch from the surface wired over and are not over 12 inches apart.
Сторінка 179 - Section t, 4, to be supported in accordance with one of the following methods : — a. To be run in approved metal conduit, junction boxes being provided where branches in conduit are made, and outlet boxes where conductors leave conduit. b. To be run in approved fire-resisting, insulating moulding. c. To be supported by insulating cleats, the supports being not over 12 inches apart. 4. Conductors with flameproof braided outer...
Сторінка 173 - National Electric Association. CLASS C. — INSIDE WORK. LOW-CONSTANT-POTENTIAL SYSTEMS. 550 VOLTS OR LESS. 32. Car Wiring and Equipment of Cars, a. Protection of Car Body, etc. 1. Under side of car bodies to be protected by approved fireresisting insulating material, not less than...
Сторінка 375 - It is vain to say that the man who remains at work while others cease to work, or takes the place of one who has abandoned his work, helps to defeat the aspirations of men who seek to obtain better recompense for their labor, and better conditions of life. Approval of the object of a strike, or persuasion that its purpose is high and noble, cannot sanction an attempt to destroy the right of others to a different opinion in this respect, or to interfere with their conduct in choosing to work upon...