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 7
Сторінка 47
... insulators attached to buildings , and at the point where they enter a building , must not be less than twelve inches apart . They must be rigidly and neatly run , and supported by glass or porcelain insulators , or rubber hooks . The ...
... insulators attached to buildings , and at the point where they enter a building , must not be less than twelve inches apart . They must be rigidly and neatly run , and supported by glass or porcelain insulators , or rubber hooks . The ...
Сторінка 48
... glass insulator for bushing the hole is used , the extra heavy water - proof insulation will not be required . IO ... insulators , except in perfectly dry places , or for the support of specially insu- lated wire , will not be accepted ...
... glass insulator for bushing the hole is used , the extra heavy water - proof insulation will not be required . IO ... insulators , except in perfectly dry places , or for the support of specially insu- lated wire , will not be accepted ...
Сторінка 49
Arthur Eugene Watson. celain or glass insulators , or hard rubber hooks . They should also be provided with an approved insulation cov- ering . 19. When wires pass through walls , floors , partitions , etc. , in - doors , glass insulators ...
Arthur Eugene Watson. celain or glass insulators , or hard rubber hooks . They should also be provided with an approved insulation cov- ering . 19. When wires pass through walls , floors , partitions , etc. , in - doors , glass insulators ...
Сторінка 52
... glass or porcelain insulators , or by rub- ber hooks . Rubber hooks must be of an approved pat- tern ; i . e . , with the rubber insulation free from flaws , and projecting over the hook in cup form . 9. Service blocks must be protected ...
... glass or porcelain insulators , or by rub- ber hooks . Rubber hooks must be of an approved pat- tern ; i . e . , with the rubber insulation free from flaws , and projecting over the hook in cup form . 9. Service blocks must be protected ...
Сторінка 54
... insulators , such as porcelain knobs , or other equally good , non - combustible , insulating substance . Wires ... glass or porcelain insulators , or by rubber hooks . 25. In crossing any metal pipes , or any other conduc- tor , wires ...
... insulators , such as porcelain knobs , or other equally good , non - combustible , insulating substance . Wires ... glass or porcelain insulators , or by rubber hooks . 25. In crossing any metal pipes , or any other conduc- tor , wires ...
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.