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 10
Сторінка 47
... water - proof insulation must be used from the terminal insulators outside to the inside of a building . They must loop down , so that water may drop off , without entering the building , and the holes through which they enter 47.
... water - proof insulation must be used from the terminal insulators outside to the inside of a building . They must loop down , so that water may drop off , without entering the building , and the holes through which they enter 47.
Сторінка 48
... water - proof insulation will not be required . IO . Service wires must come in contact with nothing save air , and their insulating supports , except in unavoid- able cases , when a wire with an extra heavy insulation suitable for the ...
... water - proof insulation will not be required . IO . Service wires must come in contact with nothing save air , and their insulating supports , except in unavoid- able cases , when a wire with an extra heavy insulation suitable for the ...
Сторінка 52
... water - proof insulation , protected by an outside covering not easily abraded , must be used from the ter- minal insulator outside , to the main cut - out inside of the building . They must loop down , so that water may drip off ...
... water - proof insulation , protected by an outside covering not easily abraded , must be used from the ter- minal insulator outside , to the main cut - out inside of the building . They must loop down , so that water may drip off ...
Сторінка 54
... water - proof and non - combustible , will be required . Wires run in non - combustible and water - proof tubes , made of a suitable insulating material , will be approved . Care must be taken to keep the wires away from metal pipes and ...
... water - proof and non - combustible , will be required . Wires run in non - combustible and water - proof tubes , made of a suitable insulating material , will be approved . Care must be taken to keep the wires away from metal pipes and ...
Сторінка 55
... water - proof insulation . 30. Wires of the same polarity , but belonging to differ- ent circuits , or leading to and from a double - pole switch , must not run in one groove , through the same tube , nor in the same slot in a cleat ...
... water - proof insulation . 30. Wires of the same polarity , but belonging to differ- ent circuits , or leading to and from a double - pole switch , must not run in one groove , through the same tube , nor in the same slot in a cleat ...
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.