| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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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