| American School (Lansing, Ill.) - 1907 - 438 стор.
...arresters to the earth connection. Ground wires for lightning arresters should not bo 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... | |
| Sidney Aylmer-Small - 1908 - 952 стор.
...if arrester fails to act the choke coil protects to some extent by causing a side flash on the Kne where damage is less expensive than should it occur...getting a good ground. Copper sheets approximately J/$ inch thick and of 4 to 6 square feet surface are suitable. A piece of cast iron of large surface,... | |
| Henry Charles Horstmann, Victor Hugo Tousley - 1908 - 352 стор.
...arresters to the ground connection. Ground wires for lightning arresters must not be attached to gas pipes within the buildings. It is often desirable to introduce...arresters and the dynamo. In no case should the ground wires from the lightning arresters be put into iron pipes, as these would tend to impede the discharge.... | |
| Sidney Aylmer-Small - 1909 - 456 стор.
...located in readily accessible places away from combustible materials, and as near as practicable to the point where the wires enter the building. Station...getting a good ground. Copper sheets approximately l/& inch thick and of 4 to 6 square feet surface are suitable. A piece of cast iron of large surface,... | |
| Dallas (Tex.). - 1914 - 266 стор.
...wires must be run according to requirements in Section 25. If necessary a choke-coil may be introduced in circuit between the arresters and the dynamo. In no case should the ground wires from lightning arresters be put into iron pipes. See Section 25 for the use of choke-coils or... | |
| Harry Cooke Cushing - 1915 - 332 стор.
...as possible from the arresters to the earth connection. Ground wires from 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... | |
| Sidney Aylmer-Small - 1918 - 892 стор.
...combustible materials, and as near as practicable to the point where the wires enter the building. Ctaiion arresters should generally be placed in plain sight...discharge. Question 8. How should arresters be grounded? -Inswer. For station arresters there are many ways of getting a good ground. Copper sheets approximately... | |
| Calvin Franklin Swingle - 1906 - 488 стор.
...arresters to the ground connection. Ground wires for lightning arresters must not be attached to gas pipes within the buildings. It is often desirable to introduce...arresters and the dynamo. In no case should the ground wires from the lightning arresters be put 1nto iron pipes, as these would tend to impede the discharge.... | |
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