| 1906 - 544 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 on which moisture is likely to gather or which, by leaking, might cause trouble... | |
| American School (Chicago, Ill.) - 1906 - 528 стор.
...places it should be arranged so 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 trouble... | |
| 1906 - 590 стор.
...places it should bo arranged so 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 trouble... | |
| American School (Lansing, Ill.) - 1907 - 438 стор.
...places it should be arranged so 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 trouble... | |
| Henry Charles Horstmann, Victor Hugo Tousley - 1908 - 352 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 trouble... | |
| International Correspondence Schools - 1908 - 660 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 on which moisture is likely to gather or which, by leaking, might cause trouble... | |
| Saint Paul (Minn.). - 1908 - 1260 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. Wire should be run over, rather than under, pipes upon which moisture is likely to gather, or which... | |
| International Correspondence Schools - 1913 - 654 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... | |
| Joseph Gerald Branch - 1913 - 316 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 - 1915 - 1418 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... | |
| |