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Книги Книги 21 - 30 з 41 у Must be so placed in wet places that an air space will be left between conductors....
" Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they cannot come in contact with the pipe accidentally. Wires should be run over, rather than under,... "
Electric Lighting Specifications for the Use of Engineers and Architects - Сторінка 128
автори: Earle Abbott Merrill - 1892 - 176 стор.
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Storage Batteries ; Incandescent Lighting ; Arc Lighting ; Interior Wiring

1906 - 550 стор.
...be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they...with the pipe accidentally. Wires should be run over, rather than under, pipes on which moisture is likely to gather or which, by leaking, might cause trouble...
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Modern Engineering Practice: A Reference Library..., Том 1

American School (Chicago, Ill.) - 1906
...places it should be arranged so that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they...with the pipe accidentally. Wires should be run over rather than under pipes upon which moisture is likely to gather, or which by leaking might cause trouble...
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Cyclopedia of Engineering: A Manual of Steam Boilers, Steam Pumps ..., Том 5

Louis Derr - 1906
...places it should bo arranged so that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they...with the pipe accidentally. Wires should be run over rather than under pipes upon which moisture is likely to gather, or which by leaking might cause trouble...
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Cyclopedia of architecture, carpentry, and building: a general reference ...

American School (Lansing, Ill.) - 1907
...places it should be arranged so that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they...with the pipe accidentally. Wires should be run over rather than under pipes upon which moisture is likely to gather, or which by leaking might cause trouble...
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Modern electrical construction...

Henry Charles Horstmann, Victor Hugo Tousley - 1908
...be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they...with the pipe accidentally. Wires should be run over rather than under pipes upon which moisture is likely to gather or which, by leaking, might cause trouble...
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Storage batteries ; Incandescent lighting ; Arc lighting ; Interior wiring ...

International Correspondence Schools - 1908 - 639 стор.
...be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they...with the pipe accidentally. Wires should be run over, rather than under, pipes on which moisture is likely to gather or which, by leaking, might cause trouble...
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Compiled Ordinances of the City of St. Paul, Minnesota

Saint Paul (Minn.)., James C. Michael, Hiram David Frankel - 1908 - 1245 стор.
...be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they...cannot come in contact with the pipe accidentally. Wire should be run over, rather than under, pipes upon which moisture is likely to gather, or which...
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Medical Electricity Röntgen Rays and Radium: With a Practical Chapter on ...

Sinclair Tousey - 1915 - 1219 стор.
...be so placed in wet places that an air-space will be left between conductors and pipes in crossing, and the former must be run in such a way that they...with the pipe accidentally. Wires should be run over, rather than under, pipes upon which moisture is likely to gather or which, by leaking, might cause...
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Standard Wiring for Electric Light and Power: As Adopted by the Fire ...

Harry Cooke Cushing - 1915 - 224 стор.
...arranged so that an air space will be left between conductors and pipes in crossing, and the former should be run in such a way that they cannot come in contact with the pipe accidentally. Where one wire crosses another wire the best and usual means of separating them is by a porcelain tube...
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Digest of the City of Little Rock, Arkansas

Little Rock (Ark.). - 1915 - 459 стор.
...be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they can not cotne in contact with the pipe accidentally. Wires should be run over, rather than under, pipes...
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