A Hand-book of Wiring Tables for Arc, Incandescent Lighting, and Motor CircuitsBubier Publishing Company, 1892 - 76 стор. |
З цієї книги
Результати 1-5 із 14
Сторінка 3
... connected with the art ; yet it is only a matter of simple arithmetic , which any person with ordinary persever- ance , can easily master . It is the object of the following pages to furnish the student with such rules and sugges- tions ...
... connected with the art ; yet it is only a matter of simple arithmetic , which any person with ordinary persever- ance , can easily master . It is the object of the following pages to furnish the student with such rules and sugges- tions ...
Сторінка 24
... connected with secondary mains 110 feet distant , and have current for 23 , 52 volt 16 candle - power lamps . Each lamp requires 1.06 amperes , and a loss of 2 per cent is permitted . Then A = 21 x 110 x 23 x 1.06 1.04 = 54151 = No . 3 ...
... connected with secondary mains 110 feet distant , and have current for 23 , 52 volt 16 candle - power lamps . Each lamp requires 1.06 amperes , and a loss of 2 per cent is permitted . Then A = 21 x 110 x 23 x 1.06 1.04 = 54151 = No . 3 ...
Сторінка 46
... connection , fully equal to the cross - section of the conducting wire will be secured - and they should be soldered . Resin should not used as a flux . Nothing but an acid solution should be used , and any excess should be washed off ...
... connection , fully equal to the cross - section of the conducting wire will be secured - and they should be soldered . Resin should not used as a flux . Nothing but an acid solution should be used , and any excess should be washed off ...
Сторінка 47
Arthur Eugene Watson. or any liquid , to form cross connection between them , and they should not approach each other nearer than one foot . 4. The wires must never be allowed in contact with any substance other than air , and their ...
Arthur Eugene Watson. or any liquid , to form cross connection between them , and they should not approach each other nearer than one foot . 4. The wires must never be allowed in contact with any substance other than air , and their ...
Сторінка 49
... connection between the conducting wires and lamps must be made through a suitable " hanger- board " and rods on which the lamp is hung . INCANDESCENT LAMPS ON ARC - LIGHT CIRCUITS . 25. The rules for running wires for arc lamps apply ...
... connection between the conducting wires and lamps must be made through a suitable " hanger- board " and rods on which the lamp is hung . INCANDESCENT LAMPS ON ARC - LIGHT CIRCUITS . 25. The rules for running wires for arc lamps apply ...
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A Hand-Book of Wiring Tables for Arc, Incandescent Lighting, and Motor Circuits Arthur Eugene Watson Попередній перегляд недоступний - 2018 |
A Hand-Book of Wiring Tables for ARC, Incandescent Lighting, and Motor Circuits Arthur Eugene Watson Попередній перегляд недоступний - 2015 |
Загальні терміни та фрази
104-volt lamps 16 c. p. lamps 52-volt lamps alternating current amperes Amperex approved insulation arc circuits arc lamps arc system ARC-LIGHT Area in CM=d2 attached to build automatic Board cent loss center of distribution circular mills Cleats Cloth Bound conducting wires conductors covered Diameter in Mils direct current Distance in feet dynamo EDISON SYSTEM edition Edward Trevert electric light wires Electricians electro-motive force England Insurance Exchange enter the building entering buildings erected extra heavy Farad feet from transformer fixtures Formula Hand-book house mains incandescent lamps Incandescent System inflammable material INSIDE WIRING joints line wire located magneto material mechanical injury moisture Nostrand's Science Series number of lamps ohms overhead wires pipe poles porcelain Practical Primary Mains Pure Copper Wire regulations rheostat rubber hooks rules secondary mains secured Series motors size of wire soldered spark arrester supply wires Telegra tion tube two-wire system voltage water-proof insulation Watts WIRING TABLE
Популярні уривки
Сторінка 58 - Flexible cord must not be used except for pendants, wiring of fixtures, portable lamps or motors, portable heating apparatus or other portable devices.
Сторінка 51 - ... c. Must be at least seven feet above the highest point of flat roofs, and at least one foot above the ridge of pitched roofs over which they pass or to which they are attached.