 | American Institute of Electrical Engineers - 1897 - 710 стор.
...arresters to the earth connection. Ground wires for lighting arresters must not be attached to gas pipes within the buildings. It is often desirable to introduce a choke coil in the circuit between the arresters and the dynamo. In no case should the ground wire from a lightning... | |
 | American Society of Mechanical Engineers - 1898 - 1122 стор.
...arresters to the earth connection. Ground wires for lightning arresters must not be attached to gas pipes within the buildings. It is often desirable to introduce...pipes, as these would tend to impede the discharge. 6. CARE AND ATTENDANCE — a. A competent man must be kept on duty where generators are operating.... | |
 | Horatio Alvah Foster - 1901 - 1018 стор.
...possible from tbe arresters to the earth cunnectiou. Ground wires for lightning arresters must not he attached to gas-pipes within the buildings. It is...arrester be put into iron pipes, as these would tend to imi>ede the discharge. O. Care and Attendance. a. A competent man must be kept on duty where generators... | |
 | Harry Cooke Cushing - 1902 - 204 стор.
...as possible from the arresters to the earth connection. Ground wires for lightning arresters should not be attached to gas-pipes within the buildings....pipes, as these would tend to impede the discharge. Unless a good damp ground is used in connection with all lightning arresters, they are little better... | |
 | American School (Lansing, Ill.) - 1903 - 320 стор.
...arresters to the earth connection. Ground wires for lightning arresters should not be attached to gas pipes within the buildings. It is often desirable to introduce...pipes, as these would tend to impede the discharge. Unless a good, damp ground is used in connection with all lightning arresters, they are practically... | |
 | Francis Bacon Crocker - 1904 - 696 стор.
...bends in the wires between the arresters and the outdoor lines must be avoided as far as possible. c. Must be connected with a thoroughly good and permanent...into iron pipes, as these would tend to impede the disohargc. 0. Care and Attendance — a. A competent man must be kept on duty where generators are... | |
 | 1905 - 484 стор.
...Ground wires for lightning arresters should not be attached to gas pipes within the buildings. It ia often desirable to introduce a choke coil in circuit...pipes, as these would tend to impede the discharge. Unless a good, damp ground is used in connection with all lightning arresters, they are practically... | |
 | American School (Chicago, Ill.) - 1906 - 528 стор.
...arresters to the earth connection. Ground wires for lightning arresters should not be attached to gas pipes within the buildings. It is often desirable to introduce...pipes, as these would tend to impede the discharge. Unless a good, damp ground is used in connection with all lightning arresters, they are practically... | |
 | Howard Monroe Raymond - 1906 - 662 стор.
...Ground wires for lightning arresters should not be attached to gas pipes within the buildings. It ia often desirable to introduce a choke coil in circuit...pipes, as these would tend to impede the discharge. Unless a good, damp ground is used in connection with all lightning arresters, they are practically... | |
 | 1906 - 590 стор.
...to the earth connection. Ground wires f«»r lightning arresters should not be attached to ea* pipes within the buildings. It is often desirable to introduce...the dynamo. In no case should the ground wire from a Hphtning arrester be put into iron pipes, as these would tend to impede the discharge. Unless a good,... | |
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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. copper wire, which must be run as nearly in a straight line as possible from the arresters... 
