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 5
Сторінка 13
... divided by the resistance of the wire . Ohms ' formula is the foundation of all calculations of this nature . If C repre- sents the current in " amperes , " E the elec- tro - motive force in " volts " and R 13 GENERAL INFORMATION II.
... divided by the resistance of the wire . Ohms ' formula is the foundation of all calculations of this nature . If C repre- sents the current in " amperes , " E the elec- tro - motive force in " volts " and R 13 GENERAL INFORMATION II.
Сторінка 24
... formula for this is A = 21 x D x Nx C E For example : A house is to be 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 ...
... formula for this is A = 21 x D x Nx C E For example : A house is to be 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 ...
Сторінка 28
... Formula for Wiring . 21.68 x ( 100 - per cent . loss in Lamps . ) ( Resistance of one Lamp ) x ( per cent . loss in wire . ) Circular mils . Kx ( mean distance ) x ( No. of Lamps . ) EDISON SYSTEM . EDISON GAUGE . 3 55 5 71 28 Edison ...
... Formula for Wiring . 21.68 x ( 100 - per cent . loss in Lamps . ) ( Resistance of one Lamp ) x ( per cent . loss in wire . ) Circular mils . Kx ( mean distance ) x ( No. of Lamps . ) EDISON SYSTEM . EDISON GAUGE . 3 55 5 71 28 Edison ...
Сторінка 29
... 290.4 .0000525 .60542734 Formula for Calculating Wire for New Cir . mils . Style Lamps . ( No. of lamps ) x ( mean distance ) x 10 . ( per cent . loss . ) Divide by 4 for 3 wire system , 250 188 333 250 200 313 250 208 250 188 29.
... 290.4 .0000525 .60542734 Formula for Calculating Wire for New Cir . mils . Style Lamps . ( No. of lamps ) x ( mean distance ) x 10 . ( per cent . loss . ) Divide by 4 for 3 wire system , 250 188 333 250 200 313 250 208 250 188 29.
Сторінка 46
... formula for soldering fluid is recom- mended , viz : · - Saturated solution of zinc . Alcohol . Glycerine .. .5 parts 5 parts ... I part 3. Care must be taken that conducting wires are not placed in such a position that it would be easy ...
... formula for soldering fluid is recom- mended , viz : · - Saturated solution of zinc . Alcohol . Glycerine .. .5 parts 5 parts ... I part 3. Care must be taken that conducting wires are not placed in such a position that it would be easy ...
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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.