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Книги Книги 1 - 10 з 43 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,... "
New Catechism of Electricity: A Practical Treatise - Сторінка 386
автори: Nehemiah Hawkins - 1896 - 541 стор.
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The Electrical Review, Том 8

1891
...least Gin. In wet places an air space must be left between conductors and pipes in crossing, and the former must be run in such a way that they cannot...condensed moisture is likely to gather, or which by leakage might cause trouble on a circuit. In breweries, dye-houses, paper and pulp mill-, or other...
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Convention

National Electric Light Association. Convention - 1892
...six inches. In wet places an air space must be left between conductors and pipes in crossing, and the former must be run in such a way that they cannot...condensed moisture is likely to gather, or which by leakage might cause trouble on a circuit. In rooms where inflammable gases may exist, or where the...
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Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1892 - 176 стор.
...six inches. In wet places an air space must he left between conductors and pipes in crossing. and the former must be run in such a way that they cannot...condensed moisture is likely to gather, or which by leakage might cause trouble on a circuit. In rooms where inflammable gases exist the incandescent lamp...
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The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 стор.
...space will be left between conductors and pipes in crossing, and the former must be run in such a wny that they cannot come in contact with the pipe accidentally....which by leaking might cause trouble on a circuit. SPECIAL RULES. 19. Wiring not Encased in Moulding or Approved Conduit : (0) Must be supported wholly...
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The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 стор.
...in such a way that they eannct come in contact with the pipe accidentally. Wires should be run orer all pipes upon which condensed moisture is likely...which by leaking might cause trouble on a circuit. SPECIAL RULES. 19. Wiring not Encased in Moulding1 or Approved Conduit : (a) Must be supported wholly...
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Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1892 - 176 стор.
...six inches. In wet places an air space must he left between conductors and pipes in crossing, and the former must be run in such a way that they cannot come in contact witli the pipe accidentally. Wires should be run over all pipes upon which condensed moisture is likely...
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Standard Tables for Electric Wiremen: With Instructions for Wiremen and ...

Charles M. Davis - 1893 - 128 стор.
...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...which by leaking might cause trouble on a circuit. INSIDE WIRING— SPECIAL EULES. 19. WIRING NOT ENCASED IN MOULDING OR APPROVED CONDUIT— a. Must be...
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Electrical Engineer, Том 17

1894
...inches. In wet places an air space must be left between conductors and pipes* In crossing, and the former must be run in such a way that they cannot...condensed moisture Is likely to gather, or which by leakage might cause trouble on a circuit. In rooms where inflammable gases may exist, or where the...
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The Electrical Transmission of Energy: A Manual for the Design of Electrical ...

Arthur Vaughan Abbott - 1895 - 586 стор.
...six inches. In wet places an air-space must be left between conductors and pipes in crossing, and the former must be run in such a way that they cannot...condensed moisture is likely to gather, or which by leakage might cause trouble on a circuit. In rooms where inflammable gases may exist, or where the...
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Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 183 стор.
...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...which by leaking might cause trouble on a circuit. /. Must be so spliced or joined as to be both mechanically and electrically secure without solder....
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