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 7
Сторінка 23
... maintain 110 volts at the brushes ; the motor to be located one - fourth mile from the mains and a loss of 5 per cent permitted . The current to be accommodated will be about 40 amperes . 116 volts . 116-110-6 volts loss . R === . 15 ...
... maintain 110 volts at the brushes ; the motor to be located one - fourth mile from the mains and a loss of 5 per cent permitted . The current to be accommodated will be about 40 amperes . 116 volts . 116-110-6 volts loss . R === . 15 ...
Сторінка 53
... maintained between them ) to a suitable location . INSIDE WIRING . 15. Copper wire used for incandescent lighting must be procured for manufacturers whose products have been found , by reliable tests , to be at least 95 per cent ...
... maintained between them ) to a suitable location . INSIDE WIRING . 15. Copper wire used for incandescent lighting must be procured for manufacturers whose products have been found , by reliable tests , to be at least 95 per cent ...
Сторінка 56
... other device for enclosing or support- ing the fusible strip or wire should be incombustible and moisture - proof , and so constructed that an arc cannot be maintained across its terminals by the fusing of its metals 56.
... other device for enclosing or support- ing the fusible strip or wire should be incombustible and moisture - proof , and so constructed that an arc cannot be maintained across its terminals by the fusing of its metals 56.
Сторінка 57
Arthur Eugene Watson. maintained across its terminals by the fusing of its metals . 43. No lead or composition strips carrying more than ten amperes before melting , shall be used , unless provided with contact surfaces of some harder ...
Arthur Eugene Watson. maintained across its terminals by the fusing of its metals . 43. No lead or composition strips carrying more than ten amperes before melting , shall be used , unless provided with contact surfaces of some harder ...
Сторінка 60
... maintain at all times in their stations some approved device to indicate any escape to earth , which may tend to develop leakage to water or gas pipes , or other earth connections within buildings . This approved means of testing shall ...
... maintain at all times in their stations some approved device to indicate any escape to earth , which may tend to develop leakage to water or gas pipes , or other earth connections within buildings . This approved means of testing shall ...
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.