 | Little Rock (Ark.). - 1915 - 770 стор.
...nonconductor, creating a permanent separation, (f) 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 can not cotne in contact with the pipe accidentally. Wires should be run over, rather than under, pipes... | |
 | Harry Cooke Cushing - 1915 - 332 стор.
...creating a separation of at least two inches, and in wet places should be 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... | |
 | Walter Benedict Weber - 1916 - 164 стор.
...by some continuous and firmly-fixed non-conductor. 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. The installation of electrical conductors in wood molding, or on insulators in elevator shafts will... | |
 | Terrell Croft - 1917 - 446 стор.
...be allowed by special permission. 16/. If/. 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... | |
 | Harry Cooke Cushing - 1917 - 374 стор.
...creating a separation of at least two inches, and in wet places should be 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... | |
 | New York (N.Y.). Board of Aldermen - 1920 - 904 стор.
...necessary, 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 - 1920 - 488 стор.
...be allowed by special permission. 16/. 17. 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... | |
 | Sinclair Tousey - 1921 - 1372 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 wliich, by leaking, might cause... | |
 | New York (N.Y.) - 1922 - 636 стор.
...necessary, 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.
...GENERAL REQUIREMENTS FOR Use OF CONDUCTORS. In wet places wires shall be so 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.... | |
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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,... 
