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 6
Сторінка 57
... fixtures attached to gas - pipes . 47. On any combination fixture , no group of lamps requiring a current of seven amperes or over shall be ultimately dependent on one cut - out . FIXTURE WORK . 48. In all cases where wires are ...
... fixtures attached to gas - pipes . 47. On any combination fixture , no group of lamps requiring a current of seven amperes or over shall be ultimately dependent on one cut - out . FIXTURE WORK . 48. In all cases where wires are ...
Сторінка 58
... fixture must be tested for possible " contact " between wire and fixture , and for " short - circuit , " before current is turned on . 53. The tendency to condensation within the pipes or fixtures should be guarded against by sealing ...
... fixture must be tested for possible " contact " between wire and fixture , and for " short - circuit , " before current is turned on . 53. The tendency to condensation within the pipes or fixtures should be guarded against by sealing ...
Сторінка 68
... fixture , or at the nearest branch connection as may be required by the Inspector of the Board . 38. In all cases when combination ( gas and electric ) fixtures are used , extra precaution must be used to secure complete and continuous ...
... fixture , or at the nearest branch connection as may be required by the Inspector of the Board . 38. In all cases when combination ( gas and electric ) fixtures are used , extra precaution must be used to secure complete and continuous ...
Сторінка 72
... fixtures erected or maintained for supporting wires of the other class , namely those for signaling , except by permis- sion of the board . II . Poles shall be uniformly spaced , and about sixty to the mile . This requires on the short ...
... fixtures erected or maintained for supporting wires of the other class , namely those for signaling , except by permis- sion of the board . II . Poles shall be uniformly spaced , and about sixty to the mile . This requires on the short ...
Сторінка 74
... fixtures bearing lamps or other devices , for the purpose of lighting by electricity the streets , avenues , highways , parks or public places of the city , the said per- mission shall be granted only subject to the following pro ...
... fixtures bearing lamps or other devices , for the purpose of lighting by electricity the streets , avenues , highways , parks or public places of the city , the said per- mission shall be granted only subject to the following pro ...
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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.