 | American Institute of Electrical Engineers - 1897 - 710 стор.
...non-absorptive, insulating material. 6. Lightning Arresters.— (For construction rules, see No. //.) a. Must be attached to each side of every overhead circuit connected with the station. It is recommended to all electric light and power companies, that arresters be connected at intervals... | |
 | American Society of Mechanical Engineers - 1898 - 1122 стор.
...non-absorptive insulating material. 5. LIGHTNING ARRESTERS — (For construction rules, see No. 55.) a. Must be attached to each side of every overhead circuit connected with the station. It is recommended to all electric light and power companies that arresters be connected at intervals... | |
 | Francis Bacon Crocker - 1901 - 528 стор.
...non-absorptive, insulating material. 5. Lightning Arresters — (For construction rules, see No. 63.) ' a. Must be attached to each side of every overhead circuit connected with the station. It is recommended to all electric light and power companies that arresters be connected at intervals... | |
 | Horatio Alvah Foster - 1901 - 1018 стор.
...non-absorptive, insulating material. 5. .Lightning- Arresters — (For construction rules see No. 63.) a. Must be attached to each side of every overhead circuit connected with the station. It is recommended to all electric lightand power companies that arresters be connected at intervals... | |
 | Harry Cooke Cushing - 1902 - 204 стор.
...concealed space very liable to be used for storage of rubbish and oily waste. Lightning Arresters should be attached to each side of every overhead circuit connected with the station. It is recommended to all electric light and power companies that arresters be connected at intervals... | |
 | American School (Lansing, Ill.) - 1903 - 320 стор.
...also to prevent space being used for storage of rubbish and oily waste. Lightning Arresters should be attached to each side of every overhead circuit connected with the station. It is recommended to all electric light and power companies that arresters be connected at intervals... | |
 | 1905 - 484 стор.
...also to prevent space being used for storage of rubbish and oily waste. Lightning Arresters should be attached to each side of every overhead circuit connected with the station. It is recommended to all electric light and power companies that arresters be connected at intervals... | |
 | 1906 - 312 стор.
...separated therefrom by a non-inflammable, non-absorptive, insulating material. Lightning Arresters. (a) Must be attached to each side of every overhead circuit connected with the station. fb) Must be mounted on non-combustible bases in plain sight on the switch board, or In an equally accessible... | |
 | American School (Chicago, Ill.) - 1906 - 528 стор.
...also to prevent space being used for storage of rubbish and oily waste. Lightning Arresters should be attached to each side of every overhead circuit connected with the station. It is recommended to all electric light and power companies that arresters be connected at intervals... | |
 | 1907 - 312 стор.
...separated therefrom by a non-inflammable, non-absorptive, insulating material. Lightning Arresters. (a) Must be attached to each side of every overhead...mounted on non-combustible bases in plain sight on the switch board, or in an equally accessible place away from combustible material. fc) Must be connected... | |
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Must be placed on the switch board, or, if not thereon, at a distance of a foot from combustible material, or separated therefrom by a non-inflammable, non-absorptive, insulating material. 
