How to Wire Buildings: A Manual of the Art of Interior WiringC.C. Shelley, 1893 - 162 pagine |
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How to Wire Buildings: A Manual of the Art of Interior Wiring (Classic Reprint) Augustus Noll Anteprima non disponibile - 2018 |
How to Wire Buildings: A Manual of the Art of Interior Wiring Augustus Noll Anteprima non disponibile - 2016 |
How to Wire Buildings; a Manual of the Art of Interior Wiring Noll Augustus Anteprima non disponibile - 2013 |
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appliances armature ascertain belt building carrying capacity ceiling cent CHAPTER circular mils coils combined resistance conductors connected in multiple constructed converter copper covered cross-section cuits current in amperes cut-out box cut-outs and switches diameter difference of potential distance distribution divided driven pulley driving dynamo electric lighting electrical energy electrolysis electromotive force engine equalize the pressure expended fastened feet field resistance fixture floor mains foot-mil force in volts free from contact fuse wire glass horse-power induction coil inserted installed insulated wires junction box lamp circuit length located machine main feeder main wires mains and feeders manner material method moisture motor necessary nected number of lamps number of lights number of revolutions Ohm's law percentage of loss petticoated pipe placed pole pulley reflector revolutions per minute shown in Fig similar speed splice stage stage lights switchboard tion total resistance tube usually watts wiremen wires forming
Brani popolari
Pagina 127 - The electromotive force in volts is equal to the product of the current in amperes and the resistance in ohms.
Pagina 126 - The current in amperes is equal to the electromotive force in volts divided by the resistance in ohms.
Pagina 126 - ... two quantities, it indicates that they are unequal, the greater one being placed at the opening of the sign. Thus, the expression a > b indicates that a is greater than -b, and the expression c < d indicates that c is less than d. 12. The sign .'. means " therefore," or
Pagina 125 - Division is also expressed by writing the dividend above and the divisor below a short horizontal line. Thus: y is read 18 divided by 3.
Pagina 131 - The resistance of a copper wire is equal to its length in feet, multiplied by the resistance of one foot-mil, 10.79, and divided by the circular mils, or
Pagina 140 - Now the poiver developed in a circuit when a current of one ampere flows through it, and the potential difference or electromotive-force of one volt is maintained between its terminals, is called a watt. Hence in any circuit and we have watts = amPeres X volts' i watt = i joule per second = o-7372 foot-lb.
Pagina 125 - ... the sign of multiplication, and is read, times, or multiplied by. Thus...
Pagina ii - The subject is admirably treated from the practical standpoint, and it is impossible not to derive good from the many hints and suggestions, while the various forms and blanks shown may be adopted with much benefit.