A Hand-book of Wiring Tables for Arc, Incandescent Lighting, and Motor CircuitsBubier Publishing Company, 1892 - 76 стор. |
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Результати 1-4 із 4
Сторінка 47
... 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 proper insulating supports . 5. Conducting wires carried over or attached to build- ings , ...
... 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 proper insulating supports . 5. Conducting wires carried over or attached to build- ings , ...
Сторінка 49
... should be used . Wires must never be left exposed to disturbance or mechanical injury . ARC LAMPS . 20. The frames and other exposed parts of arc lamps must be carefully insulated from the circuit . 21. Each lamp must be provided with a ...
... should be used . Wires must never be left exposed to disturbance or mechanical injury . ARC LAMPS . 20. The frames and other exposed parts of arc lamps must be carefully insulated from the circuit . 21. Each lamp must be provided with a ...
Сторінка 51
... WIRES . I. All outside overhead wires must be covered with some material of high insulating power , not easily ... never be allowed in contact with any substance other than air , and their proper insulating supports . 5. Conducting wires ...
... WIRES . I. All outside overhead wires must be covered with some material of high insulating power , not easily ... never be allowed in contact with any substance other than air , and their proper insulating supports . 5. Conducting wires ...
Сторінка 55
... Wires should go over water - pipes where possible . 26. Where wires pass through partitions , floors , etc. , glass insulators , or an outer covering of hard rubber , should be used to protect them . 27. Wires must never be left exposed ...
... Wires should go over water - pipes where possible . 26. Where wires pass through partitions , floors , etc. , glass insulators , or an outer covering of hard rubber , should be used to protect them . 27. Wires must never be left exposed ...
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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.