A Hand-book of Wiring Tables for Arc, Incandescent Lighting, and Motor CircuitsBubier Publishing Company, 1892 - 76 стор. |
З цієї книги
Результати 6-8 із 8
Сторінка 54
... mills , and other buildings specially liable to moisture , all wires ( except when used for pendants ) must be separated at least six inches . The wire must be thoroughly and carefully put up and must be supported by glass or porcelain ...
... mills , and other buildings specially liable to moisture , all wires ( except when used for pendants ) must be separated at least six inches . The wire must be thoroughly and carefully put up and must be supported by glass or porcelain ...
Сторінка 58
... mill work . " 62. The two conductors of flexible cord must not have an insulation composed of an inflammable water - proof compound between them , but should be separated by a fibre insulation , or the like . If a water - proof ...
... mill work . " 62. The two conductors of flexible cord must not have an insulation composed of an inflammable water - proof compound between them , but should be separated by a fibre insulation , or the like . If a water - proof ...
Сторінка 67
... mills , dry houses , and other like places where they are exposed to moisture , they must be carried out of con- tact with the walls , ceilings and the like on approved " insulators . " SECONDARY SYSTEMS . 31. In these systems where ...
... mills , dry houses , and other like places where they are exposed to moisture , they must be carried out of con- tact with the walls , ceilings and the like on approved " insulators . " SECONDARY SYSTEMS . 31. In these systems where ...
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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.