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Книги Книги 21 - 30 з 42 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: A Practical Exposition of the Art, for the Use of ... - Сторінка 459
автори: Francis Bacon Crocker - 1901
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Cyclopedia of architecture, carpentry, and building: a general reference ...

American School (Lansing, Ill.) - 1907
...fixed non-conductor, creating a separation of at least one inch. In wet places it should be arranged so that an air space will be left between conductors...which by leaking might cause trouble on a circuit. No smaller size than No. 14 B. & S. gauge should ever be used for any lighting or power work, not that...
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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.
...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 by leaking might cause trouble on a circuit. 2050. 13. Underground Conductors. — a. Must be protected when brought into a building against moisture...
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Storage Batteries ; Incandescent Lighting ; Arc Lighting ; Interior Wiring ...

1908 - 639 стор.
...cannot come in contact 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 on a circuit. g. The installation of electrical conductors in wooden molding or when supported on insulators in elevator...
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Digest of the City of Little Rock, Arkansas

Little Rock (Ark.). - 1915 - 459 стор.
...between conductors and pipes In crossing, and the former must be run in such a way that they can not come in contact with the pipe accidentally. Wires...which, by leaking, might cause trouble on a circuit, (g) The insulation of electrical conductors in wooden moulding, or on insulators, in elevator shafts...
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Standard Wiring for Electric Light and Power: As Adopted by the Fire ...

Harry Cooke Cushing - 1915 - 224 стор.
...secured by supporting the wires with a porcelain cleat placed as nearly above the pipe as possible. Wires should be run over rather than under pipes upon...which by leaking might cause trouble on a circuit. No smaller size than No. 14 B. & S. gauge should ever be used for any lighting or power work, not that...
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Modern Electrical Construction: A Reliable, Practical Guide for the Beginner ...

Henry Charles Horstmann, Victor Hugo Tousley - 1916 - 439 стор.
...does not break as easily as tubes, but should never be used where there is any likelihood of dampness. f. Must be so placed in wet places that an air space...which, by leaking, might cause trouble on a circuit. This is a rule that is very often violated, as much work is done using loom, as shown at the left of...
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Wiring for Light and Power: A Detailed and Fully Illustrated Commentary on ...

Terrell Croft - 1917 - 426 стор.
...WIRES. Deviations from this rule may, when necessary, be allowed by special permission. 16/. If/. WIRES. Must be so placed in wet places that an air space...which, by leaking, might cause trouble on a circuit. Where conductors cross metallic objects or other conductors in wet places a 2-in. air space should...
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Standard Wiring for Electric Light and Power as Adopted by the Fire ...

Harry Cooke Cushing (jr.) - 1917 - 360 стор.
...secured by supporting the wires with a porcelain cleat placed as nearly above the pipe as possible. Wires should be run over rather than under pipes upon...which by leaking might cause trouble on a circuit. No smaller size than No. 14 B. & S. gauge should ever be used for any lighting or power work, not that...
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Medical electricity and Rontgen rays

Sinclair Tousey - 1921 - 1329 стор.
...placed as nearly above the pipe as possible. (/) Must be so placed in wet places that an air-space will be left between conductors and pipes in crossing,...under, pipes upon which moisture is likely to gather or wliich, by leaking, might cause trouble on a circuit. SWITCHES, CUT-OUTS, CIRCUIT-BREAKERS, ETC. (a)...
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New Code of Ordinances of the City of New York: Including the Sanitary Code ...

New York (N.Y.) - 1922 - 621 стор.
...the wire. Deviations from this rule may, when necessary, be allowed by special permission. f . Wires must be so placed in wet places that an air space...which, by leaking, might cause trouble on a circuit. g. The installation of electrical conductors in moulding, or on insulators, in elevator shafts will...
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