 | Baltimore (Md.) - 1908 - 514 стор.
...some continuous and firmly fixed non-conductor, creating a separation of at least I inch. They shall be so placed in wet places that an air space will be left between conductors and pipes in crossing of at least i inch. ' PAR. 51. All electric light and power E1Sdicpoiifo wires or any wires entering... | |
 | 1913 - 242 стор.
...along the wire. Deviations from this rule may, when necessary, be allowed by special permission. £. 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... | |
 | International Correspondence Schools - 1913 - 654 стор.
...done, the end without a head should be taped to the wire to prevent the tube sliding along. /. Wires 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... | |
 | Joseph Gerald Branch - 1913 - 316 стор.
...are used, they must be securely fastened at the ends to prevent them from moving along the wire. f. 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... | |
 | Sinclair Tousey - 1915 - 1418 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 which, by leaking, might cause... | |
 | Little Rock (Ark.). - 1915 - 770 стор.
...they may cross, by some continuous and firmly fixed nonconductor, creating a permanent separation, (f) Must be so placed in wet places that an air space...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.
...non-conductor, 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 - 134 стор.
...wire, without being permanently separated there from by some continuous and firmly-fixed non-conductor. Must be so placed in wet places that an air space...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.
...WIRES. Deviations from this rule may, when necessary, be allowed by special permission. 16/. If/. WIRES. 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... | |
 | Harry Cooke Cushing - 1917 - 374 стор.
...non-conductor, 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... | |
| |
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 all pipes upon which... 
