 | Electrical engineering - 1891 - 680 pages
...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, 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 condensed... | |
 | National Electric Light Association. Convention - Electric lighting - 1892 - 458 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, 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 condensed... | |
 | Charles M. Davis - Electric wiring - 1893 - 162 pages
...from this rule may sorhetjmes be allowed by special permission. \S* / d. Must be so placed in crossing high potential conductors that there shall be a space...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... | |
 | Electrical engineering - 1894 - 620 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,...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 condensed... | |
 | 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, 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 condensed... | |
 | Earle Abbott Merrill - Electric lighting - 1896 - 222 pages
...Deviations from this rule may sometimes be allowed by special permission. d. Must be so placed in crossing high potential conductors that there shall be a space...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 condensed... | |
 | Nehemiah Hawkins - Electric engineering - 1896 - 568 pages
...Deviations from this rule may sometimes be allowed by special permission. d. Must be so placed in crossing high potential conductors that there shall be a space...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 condensed... | |
 | Richard Henry Pierce - Electric wiring, Interior - 1896 - 234 pages
...Deviations from this rule may sometimes be allowed by special permission, d. Must be so placed in crossing high potential conductors that there shall be a space...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 condensed... | |
 | Earle Abbott Merrilol - Electric lighting - 1896 - 232 pages
...Deviations from this rule may sometimes be allowed by special permission. d. Must be so placed in crossing high potential conductors that there shall be a space...in crossing, and the former must be run in such a vray that they cannot come in contact with the pipe accidentally. Wires should be run over all pipes... | |
 | Nehemiah Hawkins - Electric engineering - 1896 - 570 pages
...Deviations from this rule may sometimes be allowed by special permission. d. Must be so placed in crossing high potential conductors that there shall be a space...left between conductors and pipes in crossing, and Lhe former must be run in such a way that they cannot come in contact with the pipe accidentally. Wires... | |
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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,... 
