 | 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 - 622 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... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...separated therefrom by a non-inflammable, non-absorptive, insulating material. 6. LIGHTNING ARRESTERS: — a. Must be attached to each side of every over-head circuit connected with the station, b. Must be mounted on non-combustible bases in plain sight on the switch board, or in an equally accessible... | |
 | Russell Robb - 1896 - 208 стор.
...metal frame, it is well to have the frame insulated as the rules indicate. €. Lightning-arresters : a. Must be attached to each side of every overhead circuit connected with the station. 6. Must be mounted on non-combustible bases in plain sight on the switch-board, or in any equally accessible... | |
 | Earle Abbott Merrill - 1896 - 232 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 an equally accessible... | |
 | Earle Abbott Merrilol - 1896 - 232 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 an equally accessible... | |
 | Nehemiah Hawkins - 1896 - 570 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... | |
 | 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...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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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 over systems in such numbers and so located as to prevent ordinary... 
