 | American School (Chicago, Ill.) - 1906 - 528 стор.
...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 and pipes in crossing,...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.
...creating a separation of at least one inch. In wet places it should bo arranged so that an air space will be left between conductors and pipes in crossing,...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 - 544 стор.
...cleat 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,...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 (Lansing, Ill.) - 1907 - 438 стор.
...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 and pipes in crossing,...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.
...used where there is any likelihood of dampness. /. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing,...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... | |
 | 1908 - 732 стор.
...cleat 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,...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.
...non-conductor creating a separation of at least one inch. f. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing,...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.
...wire to prevent the tube sliding along. /. Wires must be so placed in wet places that an air space will be left between conductors and pipes in crossing,...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.
...ends to prevent them from moving along the wire. f. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing,...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.
...secured by supporting the wires with a porcelain cleat placed as nearly above the pipe as possible. (/) Must be so placed in wet places that an air-space...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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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,... 
