| National Electric Light Association. Convention - 1892 - 458 стор.
...combustible material, or separated therefrom by asbestos or cement. LIGHTNING ARRESTERS — Must be : 1. Attached to each side of every overhead circuit connected with the station. 2. In plain sight. 3. On the switchboard or in an equally accessible place, away from combustible material.... | |
| Earle Abbott Merrill - 1892 - 188 стор.
...comustible material, or separated therefrom by asbestos or cement. LIGHTNING ARRESTERS—Must be: 1. Attached to each side of every overhead circuit connected with the station. 2. In plain sight. 3. On the switchboard, or in an equally accessible place, away from combustible... | |
| 1894 - 620 стор.
...foot from combutalble material, or separated therefrom by asbestos or cement. Lightning Arretiere. 1. Must be attached to each side of every overhead circuit connected with the station. 2. Must be In plain sight. 8. Must be on the switchboard, or In an equally accessible place, away from... | |
| Arthur Vaughan Abbott - 1895 - 646 стор.
...from combustible material, or separated there from by asbestos or cement. 122. LIGHTNING ARRESTERS. 1. Must be attached to each side of every overhead circuit connected with the station. 2. Must be in plain sight. 3. Must be on the switchboard, or in an equally accessible place, away from... | |
| Nehemiah Hawkins - 1896 - 568 стор.
...separated therefrom by a non-inflammable, non-absorptive, insulating material. 6. LIGHTNING ARRESTERS : a. Must be attached to each side of every overhead circuit connected with the station. b. Must be mounted on non-combustible bases in plain sight on the switchboard, or in any equally accessible... | |
| Earle Abbott Merrilol - 1896 - 232 стор.
...therefrom by a non-inflammable, non-absorptive, insulating material. 6. LIGHTNING ARRESTERS:— a. Must be attached to each side of every overhead circuit connected with the station. b. Must be mounted on non-combustible bases in plain sight on the switchboard, or in an equally accessible... | |
| Earle Abbott Merrill - 1896 - 222 стор.
...therefrom by a non-inflammable, non-absorptive, insulating material. 6. LIGHTNING ARRESTERS: — a. Must be attached to each side of every overhead circuit connected with the station. b. Must be mounted on non-combustible bases in plain sight on the switchboard, or in an equally accessible... | |
| Russell Robb - 1896 - 208 стор.
...metal frame, it is well to have the frame insulated as the rules indicate. 6. Lightning-arresters : a. Must be attached to each side of every overhead circuit connected with the station. b. Must be mounted on non-combustible bases in plain sight on the switch-board, or in any equally accessible... | |
| 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...(over the wires) buildings connected to the lines. l>. Must be located in readily accessible places away from combustible materials, and as near as practicable... | |
| 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...located as to prevent ordinary discharges entering the buildings over the wires connected to the lines. J. Must be located in readily accessible places... | |
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