 | Sinclair Tousey - 1921 - 1372 стор.
...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 upon which moisture is likely to gather or wliich, by leaking, might cause... | |
 | New York (N.Y.) - 1922 - 636 стор.
...be allowed by special permission. f . 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... | |
 | 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... | |
 | New York (N.Y.) - 1913 - 254 стор.
...necessary, be allowed by special permission. £. 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... | |
 | 1910 - 1264 стор.
...along the wire. (f) Must be so placed in wet places that an air space will be left between conductor and pipes in crossing, and the former must be run...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... | |
 | Calvin Franklin Swingle - 1906 - 488 стор.
...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, and the former must be run in such a way that they cano FIGURE 142. not come in contact with the pipe accidentally. Wires should be run over rather than... | |
 | 1891 - 738 стор.
...air space must be left between conductor* and pipes in crossing, and the former must be run insueh a way that they cannot come in contact with the pipe accidentally. Wiivii should be run over all pipes upon which condensed moisture is likely to gather, or which by... | |
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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,... 
