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 20
Сторінка 16
... inches diameter ) . It is usual to allow No. 6 wire for such arc circuits , thus bringing the loss as low as 5 per cent , while No. 8 is well adapted to half arc circuits . Arc wiring is the simplest to calcu- late ; indeed , often ...
... inches diameter ) . It is usual to allow No. 6 wire for such arc circuits , thus bringing the loss as low as 5 per cent , while No. 8 is well adapted to half arc circuits . Arc wiring is the simplest to calcu- late ; indeed , often ...
Сторінка 19
... inches ) . The size of the 150 foot lengths from the house to the center of distribution will of course be still larger . Allow I per cent , then the 99 per cent available will enter the calcu- lation , 100 × 6 = 60 amperes to be ...
... inches ) . The size of the 150 foot lengths from the house to the center of distribution will of course be still larger . Allow I per cent , then the 99 per cent available will enter the calcu- lation , 100 × 6 = 60 amperes to be ...
Сторінка 20
... inches diameter . In practice , this size would be secured by running several smaller wires in multiple . It is inconvenient for the wire man to figure out these dimensions for every installation , so electric manufacturing companies ...
... inches diameter . In practice , this size would be secured by running several smaller wires in multiple . It is inconvenient for the wire man to figure out these dimensions for every installation , so electric manufacturing companies ...
Сторінка 30
... 1500 1200 900 2000 40000 20000 10000 6667 5000 4000 3300 2500 2000 1667 1333 1000 Cir . Mils . Number of Lamps x by above Constant . Check Size Wire for Ampere Capacity in using Tahle . GAUGE . Diam . in Tooo inch . Area in 30.
... 1500 1200 900 2000 40000 20000 10000 6667 5000 4000 3300 2500 2000 1667 1333 1000 Cir . Mils . Number of Lamps x by above Constant . Check Size Wire for Ampere Capacity in using Tahle . GAUGE . Diam . in Tooo inch . Area in 30.
Сторінка 31
... inch . Area in Circ . Mills . Lbs . per ft . Lbs . per ft . TABLE OF WIRE " B. AND S. " GAUGE . Resist'n'c in ohms . Cents per Foot Covered , A = D2 bare . covered . per foot . At 160. lb. At 18c . lb. At 20c . lb. 0000 .460 211600 639 ...
... inch . Area in Circ . Mills . Lbs . per ft . Lbs . per ft . TABLE OF WIRE " B. AND S. " GAUGE . Resist'n'c in ohms . Cents per Foot Covered , A = D2 bare . covered . per foot . At 160. lb. At 18c . lb. At 20c . lb. 0000 .460 211600 639 ...
Інші видання - Показати все
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.