 | 1891 - 680 стор.
...lowtension conductors must be placed at a distance of at least Gin. In wet places an air space must be left between conductors and pipes in crossing,...accidentally. Wires should be run over all pipes upon which condensed moisture is likely to gather, or which by leakage might cause trouble on a circuit. In breweries,... | |
 | National Electric Light Association. Convention - 1892 - 458 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,...accidentally. Wires should be run over all pipes upon which condensed moisture is likely to gather, or which by leakage might cause trouble on a circuit. In rooms... | |
 | 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...accidentally. Wires should be run over all pipes upon which condensed moisture is likely to gather, or which by leakage might cause trouble on a circuit. In rooms... | |
 | Frank Eugene Kidder - 1892 - 1032 стор.
...shall be a space of at least one foot at all points between the high and low tension conductors. (e) Must be so placed in wet places that an air space...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... | |
 | 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...accidentally. Wires should be run over all pipes upon which condensed moisture is likely to gather, or which by leakage might cause trouble on a circuit. In rooms... | |
 | Frank Eugene Kidder - 1892 - 1058 стор.
...shall be a space of at lenst one foot at all points between the high and low tension conductors. (e) Must be so placed in wet places that an air space...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... | |
 | 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... | |
 | Charles M. Davis - 1893 - 162 стор.
...points 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,...accidentally. Wires should be run over all pipes upon which condensed moisture is likely to gather, or which by leaking might cause trouble on a circuit. INSIDE... | |
 | 1894 - 622 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,...accidentally. Wires should be run over all pipes upon which condensed moisture Is likely to gather, or which by leakage might cause trouble on a circuit. In rooms... | |
 | 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,...accidentally. Wires should be run over all pipes upon which condensed moisture is likely to gather, or which by leakage might cause trouble on a circuit. In rooms... | |
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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 all pipes upon which... 
