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 5
Сторінка 46
... WIRES . I. All outside overhead wires must be covered with some material of high insulating power , not easily abraded ; they must be firmly secured to properly insu- lated and substantially built supports . All tie wires must have an ...
... WIRES . I. All outside overhead wires must be covered with some material of high insulating power , not easily abraded ; they must be firmly secured to properly insu- lated and substantially built supports . All tie wires must have an ...
Сторінка 47
... line wires , and also where any wires ( telegraph , telephone , or others ) could possibly , owing to their position , come in contact with the electric light wires . 7. Overhead wires from the main circuit or pole in the street to the ...
... line wires , and also where any wires ( telegraph , telephone , or others ) could possibly , owing to their position , come in contact with the electric light wires . 7. Overhead wires from the main circuit or pole in the street to the ...
Сторінка 51
... WIRES . I. All outside overhead wires must be covered with some material of high insulating power , not easily abraded , and they must be firmly secured to properly insu- lated and substantially built supports . All the wires must have ...
... WIRES . I. All outside overhead wires must be covered with some material of high insulating power , not easily abraded , and they must be firmly secured to properly insu- lated and substantially built supports . All the wires must have ...
Сторінка 56
... overhead service joins the inside wires , and at every point where a change is made in the size of the wire ( un- less the cut - out in the larger wire is intended to protect the smaller ) . 38. Cut - outs , switches , and other devices ...
... overhead service joins the inside wires , and at every point where a change is made in the size of the wire ( un- less the cut - out in the larger wire is intended to protect the smaller ) . 38. Cut - outs , switches , and other devices ...
Сторінка 75
... overhead wires and fixtures are granted only pending the providing of under- ground accommodations in the neighborhood of the street or avenue for which the permit is granted . 33. Any member or officer of the Board , and every in ...
... overhead wires and fixtures are granted only pending the providing of under- ground accommodations in the neighborhood of the street or avenue for which the permit is granted . 33. Any member or officer of the Board , and every in ...
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.