 | 1889 - 758 pages
...conductor shall be protected by efficient lightning protectors of pattern approved by the Board of Trade. 6. Where any conductor crosses a street the angle between such conductor and the direction of 1 he street at the place of such crossing shall not be less than 60°, and the spans shall be as short... | |
 | 1889 - 544 pages
...conductor shall be protected by efficient lightning protectors of pattern approved by the Board of Trade. 6. Where any conductor crosses a street, the angle...the place of such crossing shall not be less than 60deg., and the spans shall be as short as possible. 7. Where any aerial conductor is erected so as... | |
 | 1890 - 848 pages
...(Angle of crossing thoroughfares.) 6. Where any conductor crosses a street, the angle between snob conductor and the direction of the street at the place...degrees, and the spans shall be as short as possible. (Crossing other wires.) 7. Where any aBrial conductor la erected so as to cross any other aBrial conductor... | |
 | 1890 - 616 pages
...at least Gin. , such lightning conductor being efficiently connected to earth. 31. Where any aerial conductor crosses a street, the angle between such...direction of the street at the place of such crossing ahull not be lus.i than 60deg., and the spans shall be us short an possible. 32. Where any aerial conductor... | |
 | Ewing Matheson - 1898 - 940 pages
...aerial line crosses a street, the Angle between the line and the direction of the street at the place of crossing shall not be less than 60 degrees, and the spans shall be as short as possible. 23. Every high-pressure aerial line shall be efficientlv Susfended by means of insulating ligaments... | |
 | John Shiress Will - 1903 - 570 pages
...aerial line crosses a street, the angle between the line and the direction of the street at the place of crossing shall not be less than 60 degrees, and the spans shall be as short as possible. (22.) Where an aerial line crosses, or is in proximity to, any metallic substance, precautions shall... | |
 | 1890 - 830 pages
...per square foot. 6. Every aerial conductor shall be protected by efficient lighting protectors. в. Where any conductor crosses a street, the angle between...place of such crossing shall not be less than 60°, and the span shall be as short as possible. 7. Where any aerial conductor is erected so as to cross... | |
| |
Where any aerial conductor is erected so as to cross any other aerial conductor or any suspended wire used for purposes other than the supply of energy, precautions shall be taken by the owners of such crossing... 