 | American Institute of Electrical Engineers - 1897 - 710 стор.
...enter the building. Station arresters should generally be placed in plain sight on the switchboard. In all cases, kinks, coils and sharp bends in the...out-door lines must be avoided as far as possible. c. Must be connected with a thoroughly good and permanent ground connected by metallic strips or wires... | |
 | American Society of Mechanical Engineers - 1898 - 1122 стор.
...enter the building. Station arresters should generally be placed in plain sight on the switchboard. In all cases, kinks, coils, and sharp bends in the...out-door lines must be avoided as far as possible. c. Must be connected with a thoroughly good and permanent ground connection by metallic strips or wires... | |
 | Francis Bacon Crocker - 1901 - 528 стор.
...enter the building. Station arresters should generally be placed in plain sight on the switchboard. In all cases, kinks, coils, and sharp bends in the...outdoor lines must be avoided as far as possible. c. Must be connected with a thoroughly good and permanent ground connection by metallic strips or wires... | |
 | Horatio Alvah Foster - 1901 - 1018 стор.
...enter the building. Station arresters should generally be placed in plain eight on the switch board. In all cases, kinks, coils, and sharp bends in the wires between the ajresters and the outdoor lines must be avoided as far as possible. c. Must be connected with a thoroughly... | |
 | George Velten Steeb - 1902 - 230 стор.
...building; the arrester must be so constructed as not to maintain an arc after the discharge has passed. In all cases, kinks, coils and sharp bends in the...outdoor lines must be avoided as far as possible. MOTORS. — .The construction of a motor is similar in its parts to that of a dynamo, the only difference... | |
 | Harry Cooke Cushing - 1902 - 204 стор.
...enter the building. Station arresters should generally be placed in plain sight on the switchboard. In all cases, kinks, coils and sharp bends in the wires between the arresters and the outdoor lines should be avoided as far as possible. They should be connected with a thoroughly good and permanent... | |
 | American School (Lansing, Ill.) - 1903 - 320 стор.
...enter the building. Station arresters should generally be placed in plain sight on the switchboard. In all cases, kinks, coils and sharp bends in the wires between the arresters and the outdoor lines should be avoided as far as possible. Arresters should be connected with a thoroughly good and permanent... | |
 | 1905 - 484 стор.
...enter the building. Station arresters should generally be placed in plain sight on the switchboard. In all cases, kinks, coils and sharp bends in the wires between the arresters and the outdoor lines should be avoided as far as possible. Arresters should be connected with a thoroughly good and permanent... | |
 | American School (Chicago, Ill.) - 1906 - 528 стор.
...enter the building. Station arresters should generally be placed in plain sight on the switchboard. In all cases, kinks, coils and sharp bends in the wires between the arresters and the outdoor lines should be avoided as far as possible. Arresters should be connected with a thoroughly good and permanent... | |
 | American School (Lansing, Ill.) - 1907 - 438 стор.
...enter the building. Station arresters should generally be placed in plain sight on the switchboard. In all cases, kinks, coils and sharp bends in the- wires between the arresters and the outdoor lines should be avoided as far as possible. Arresters should be connected with a thoroughly good and permanent... | |
| |
Must be connected with a thoroughly good and permanent ground connection by metallic strips or wires having a conductivity not less than that of a No. 6 B. & S. 
