| National Electric Light Association. Convention - Electric lighting - 1892 - 458 pages
...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 - Electric lighting - 1892 - 188 pages
...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 - Electric lighting - 1892 - 188 pages
...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 - Electric lighting - 1892 - 188 pages
...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 - Architecture - 1892 - 1032 pages
...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 - Architecture - 1892 - 1058 pages
...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 - Electric wiring - 1893 - 162 pages
...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... | |
| Electrical engineering - 1894 - 622 pages
...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 - Electric conductors - 1895 - 646 pages
...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 - Electric engineering - 1896 - 568 pages
...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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