A Hand-book of Wiring Tables for Arc, Incandescent Lighting, and Motor CircuitsBubier Publishing Company, 1892 - 76 стор. |
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Результати 1-5 із 10
Сторінка 46
... supports . All tie wires must have an insulation equal to that of the conducting wires . 2. All joints must be so made that a perfectly secure and unvarying connection , fully equal to the cross - section of the conducting wire will be ...
... supports . All tie wires must have an insulation equal to that of the conducting wires . 2. All joints must be so made that a perfectly secure and unvarying connection , fully equal to the cross - section of the conducting wire will be ...
Сторінка 47
... supports . 5. Conducting wires carried over or attached to build- ings , must be at least seven feet above the ... supported by glass or porcelain insulators , or rubber hooks . The rubber hooks must be of an ap- proved pattern , i ...
... supports . 5. Conducting wires carried over or attached to build- ings , must be at least seven feet above the ... supported by glass or porcelain insulators , or rubber hooks . The rubber hooks must be of an ap- proved pattern , i ...
Сторінка 48
... supported by cleats of wood ( filled to prevent the absorption of moist- ure ) or porcelain . Cleats should be so made as to sepa- rate the wire at least one - fourth of an inch from the building . 18. In places liable to dampness ...
... supported by cleats of wood ( filled to prevent the absorption of moist- ure ) or porcelain . Cleats should be so made as to sepa- rate the wire at least one - fourth of an inch from the building . 18. In places liable to dampness ...
Сторінка 51
... supports . All the wires must have an insulation equal to that of the conducting wires . 2 All joints must be so made that a perfectly secure and unvarying connection , fully equal to the cross - section of the conducting wire , will be ...
... supports . All the wires must have an insulation equal to that of the conducting wires . 2 All joints must be so made that a perfectly secure and unvarying connection , fully equal to the cross - section of the conducting wire , will be ...
Сторінка 52
... supports . The same precautions must be taken where sharp angles occur in the line wires , and also where any wires ... supported by glass or porcelain insulators , or by rub- ber hooks . Rubber hooks must be of an approved pat- tern ...
... supports . The same precautions must be taken where sharp angles occur in the line wires , and also where any wires ... supported by glass or porcelain insulators , or by rub- ber hooks . Rubber hooks must be of an approved pat- tern ...
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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.