 | National Electric Light Association. Convention - 1892 - 458 стор.
...crossing arc light wires the low tension conductors must be placed at a distance of at least six inches. In wet places an air space must be left between conductors...which by leakage might cause trouble on a circuit. In rooms where inflammable gases may exist, or where the atmosphere is damp, the incandescent lamp and... | |
 | Earle Abbott Merrill - 1892 - 188 стор.
...conductors must be placed at a distance of at least six inches. In wet places an air space must he left between conductors and pipes in crossing. and...which by leakage might cause trouble on a circuit. In rooms where inflammable gases exist the incandescent lamp and socket must be inclosed in a vapor-tight... | |
 | Earle Abbott Merrill - 1892 - 188 стор.
...least six inches. In wet places an air space must he left between conductors and pipes in crossingj and the former must be run in such a way that they...which by leakage might cause trouble on a circuit. In rooms where inflammable gases exist the incandescent lamp and socket must be inclosed in a vapor-tight... | |
 | Earle Abbott Merrill - 1892 - 188 стор.
...conductors must be placed at a distance of at least six inches. In wet places an air space must he left between conductors and pipes in crossing, and...run in such a way that they cannot come in contact witli the pipe accidentally. Wires should be run over all pipes upon which condensed moisture is likely... | |
 | Frank Eugene Kidder - 1892 - 1032 стор.
...between the high and low tension conductors. (e) 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 eannct come in contact with the pipe accidentally. Wires should be run orer all pipes upon which condensed... | |
 | Frank Eugene Kidder - 1892 - 1058 стор.
...between the high and low tension conductors. (e) 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 wny that they cannot come in contact with the pipe accidentally. Wires should be run over all pipes... | |
 | Charles M. Davis - 1893 - 162 стор.
...between the high and low tension conductors. e. Must be so placed in wet places that an air-space will be left between conductors and pipes in crossing,...condensed moisture is likely to gather, or which by leaking might cause trouble on a circuit. INSIDE WIRING— SPECIAL EULES. 19. WIRING NOT ENCASED IN... | |
 | 1894 - 620 стор.
...rrosslng arc light wires the low tension conductors must be placed at a distance of at least six inches. In wet places an air space must be left between conductors...which by leakage might cause trouble on a circuit. In rooms where inflammable gases may exist, or where the atmosphere is damp, the Incandescent lamp and... | |
 | Arthur Vaughan Abbott - 1895 - 646 стор.
...tension conductors must be placed at a distance of at least six inches. In wet places an air-space must be left between conductors and pipes in crossing,...which by leakage might cause trouble on a circuit. In rooms where inflammable gases may exist, or where the atmosphere is damp, the incandescent lamp and... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...between the high and low tension conductors. e. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing,...condensed moisture is likely to gather or which by leaking might cause trouble on a circuit. f. Must be so spliced or joined as to be both mechanically... | |
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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,... 
