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 19
Сторінка 46
... approved tape . The following formula for soldering fluid is recom- mended , viz : · - Saturated solution of zinc . Alcohol . Glycerine .. .5 parts 5 parts ... I part 3. Care must be taken that conducting wires are not placed in such a ...
... approved tape . The following formula for soldering fluid is recom- mended , viz : · - Saturated solution of zinc . Alcohol . Glycerine .. .5 parts 5 parts ... I part 3. Care must be taken that conducting wires are not placed in such a ...
Сторінка 48
... approved shape . 12. None but an approved tubing will be accepted as a durable water - proof insulation . 13 . Wires must enter and leave the building through an approved cut - out switch . 14. The cut - out switch must be " double ...
... approved shape . 12. None but an approved tubing will be accepted as a durable water - proof insulation . 13 . Wires must enter and leave the building through an approved cut - out switch . 14. The cut - out switch must be " double ...
Сторінка 49
... approved insulation cov- ering . 19. When wires pass through walls , floors , partitions , etc. , in - doors , glass insulators , or an extra covering of hard rubber , should be used . Wires must never be left exposed to disturbance or ...
... approved insulation cov- ering . 19. When wires pass through walls , floors , partitions , etc. , in - doors , glass insulators , or an extra covering of hard rubber , should be used . Wires must never be left exposed to disturbance or ...
Сторінка 50
... approved automatic device which will shunt the circuit around the carbon filament should it break . No electro - magnet device will be accepted for this purpose . 27. Any method of distributing current to incandescent lamps on arc ...
... approved automatic device which will shunt the circuit around the carbon filament should it break . No electro - magnet device will be accepted for this purpose . 27. Any method of distributing current to incandescent lamps on arc ...
Сторінка 51
... approved tape . - 3. Care must be taken that conducting wires are not placed in such position that it would be easy for water , or any liquid , to form cross - connection between them , and main conductors or feeders should not approach ...
... approved tape . - 3. Care must be taken that conducting wires are not placed in such position that it would be easy for water , or any liquid , to form cross - connection between them , and main conductors or feeders should not approach ...
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.