 | 1891 - 680 стор.
...a distance of at least tun. 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...which by leakage might cause trouble on a circuit. In breweries, dye-houses, paper and pulp mills, or other buildings specially liable to moisture, all... | |
 | National Electric Light Association. Convention - 1892 - 458 стор.
...conductors must be placed at a distance of at least six inches. In wet places an air space must be left between conductors and pipes in crossing, and...which by leakage might cause trouble on a circuit. In rooms where inflammable gases may exist, or where the atmosphere is damp, the incandescent lamp... | |
 | Frank Eugene Kidder - 1892 - 1058 стор.
...the high and low tension conductors. (e) 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 i-un in such a way that they cannot come in contact with the pipe sooldentally. Wires should be run... | |
 | Russell Robb - 1896 - 208 стор.
...between the high and low tension conductors. e. Must be so placed in wet places that an air-space will be left between conductors and pipes in crossing, and...condensed moisture is likely to gather, or which by leaking might cause trouble on a circuit. /. Must be so spliced or joined as to be both mechanically... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...between the high and low tension conductors. e. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and...condensed moisture is likely to gather, or which by leaking might cause trouble on a circuit, f. Must be so spliced or joined as to be both mechanically... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...between the high and low tension conductors. e. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and...condensed moisture is likely to gather or which by leaking might cause trouble on a circuit. f. Must be so spliced or joined as to be both mechanically... | |
 | American Institute of Electrical Engineers - 1898 - 716 стор.
...sometimes be allowed by special permission. f. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and...with the pipe accidentally. Wires should be run over, ratlier than under, pipes upon which moisture is likely to gather or which, by leaking, might cause... | |
 | International Correspondence Schools - 1901 - 630 стор.
...sometimes be allowed by special permission. f. Must 'be so placed in wet places that an air space will be left between conductors and pipes in crossing, and...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... | |
 | 1901 - 618 стор.
...sometimes be allowed by special permission. f. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and...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... | |
 | 1902 - 742 стор.
...sometimes be allowed by special permission. f. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and...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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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 all pipes upon which condensed moisture is likely to gather, or which by leakage... 
