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alternating current amperes apparatus arc lamps armature arrangement bulb bus bars cable candle-power capacity carbon cent conductors conduit connected constant current constant potential copper loss core cross-arm cross-section cut-out device diameter difference direct current distribution drop dynamo effect efficiency electric lighting electrical conductors employed energy equal fact feeders feeding-points filament flow frequency full load fuse globe ground heat hence incandescent lamps inch inclosed arc increase inductance insulation iron joint latter length less machines magnetic maximum mechanical metal meter method motor number of lamps ohms one-half operation ordinary parallel phase pipe placed pole polyphase polyphase systems porcelain power factor practically pressure primary produced reactance regulation represented in Fig resistance rheostat rotary rotary converters secondary circuit secondary coils shown in Fig shunt side single-phase socket supplied switch temperature terminal three-phase three-wire system tion transformers tube two-phase two-wire two-wire circuit usually voltage volts wattmeter watts winding
Page 510 - CE A Pocketbook of Electrical Rules and Tables for the use of Electricians and Engineers.
Page 510 - PALAZ, A. Treatise on Industrial Photometry. Specially applied to Electric Lighting. Translated from the French by GW Patterson, Jr., Assistant Professor of Physics in the University of Michigan, and MR Patterson, BA Second Edition.
Page 460 - The lower limit is specified for rubber-covered wires to prevent gradual deterioration of the high insulations by the heat of the wires, but not from fear of igniting the insulation. The question of drop is not taken into consideration in the above tables.
Page 512 - Electric Ship-Lighting. A Handbook on the Practical Fitting and Running of Ship's Electrical Plant, for the use of Ship Owners and Builders, Marine Electricians, and Sea".going Engineers in Charge. 88 Illustrations. 12mo., cloth, 308 pp $3.00 Electric-Light Fitting. A Handbook for Working Electrical Engineers, embodying Practical Notes on Installation Management. Second Edition, with additional chapters.
Page 509 - GUY, ARTHUR F. Electric Light and Power, giving the result of practical experience in Central-Station Work. 8vo, cloth. Illustrated. $2.50.
Page 509 - No. 57. INCANDESCENT ELECTRIC LIGHTING. A Practical Description of the Edison System. By LH Latimer. To which is added the Design and Operation of Incandescent Stations, by CJ Field; and the Maximum Efficiency of Incandescent Lamps, by John W. Howell.
Page 11 - W, we find that the most economical area of conductor is that for which the annual cost of energy wasted is equal to the annual interest on that portion of the capital outlay which can be considered to be proportional to the weight of metal used. Professor George Forbes, in his Cantor Lecture, on " The Distribution of Electricity...
Page 459 - Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they cannot come in contact with the pipe accidentally. Wires should be run over, rather than under, pipes upon which moisture is likely to gather or which, by leaking, might cause trouble on a circuit.