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" 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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Standard Wiring for Electric Light and Power: As Adopted by the Fire ...

Harry Cooke Cushing - 1915 - 332 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 - 770 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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Electrical Construction: an Elementary Course for Vocational Schools

Walter Benedict Weber - 1916 - 164 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. The installation of electrical conductors in wood molding, or on insulators in elevator shafts will...
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Wiring for Light and Power: A Detailed and Fully Illustrated Commentary on ...

Terrell Croft - 1917 - 446 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 - 1917 - 374 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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Proceedings of the Board of Aldermen of the City of New York, Том 1

New York (N.Y.). Board of Aldermen - 1920 - 904 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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Wiring for Light and Power: A Detailed and Fully Illustrated Commentary on ...

Terrell Croft - 1920 - 488 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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Medical Electricity and Röntgen Rays: With Chapters on Phototherapy and Radium

Sinclair Tousey - 1921 - 1372 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 wliich, by leaking, might cause...
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New Code of Ordinances of the City of New York: Including the Sanitary Code ...

New York (N.Y.) - 1922 - 636 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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Wiring for Light and Power: A Detailed and Fully Illustrated Commentary on ...

Terrell Croft - 1924 - 576 стор.
...placed that an air space will be left between conductors and pipes in crossing, and the former shall be run in such a way that they cannot come in contact with the pipe accidentally RECOMMENDATION. — It is recommended that wires be run over, rather than under, pipes upon which moisture1...
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