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Книги Книги 1 - 10 з 16 у Must be connected with a thoroughly good and permanent ground connection by metallic....
" 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... "
Electrical railroading; or, Electricity as applied to railroad transportation - Сторінка 141
автори: Sidney Aylmer-Small - 1908 - 924 стор.
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Transactions, Том 14

American Institute of Electrical Engineers - 1897
...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...
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Transactions of the American Society of Mechanical Engineers

American Society of Mechanical Engineers - 1898
...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....
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Electrical Engineer's Pocket-book: A Hand-book of Useful Data for ...

Horatio Alvah Foster - 1901 - 987 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...
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Standard wiring for electric light and power: as adopted by the Fire ...

Harry Cooke Cushing - 1902 - 152 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...
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Practical lessons in electricity. Elements of electricity. The electric current

American School (Chicago, Ill.), Lawrence K. Sager, Harry Cooke Cushing, Francis Bacon Crocker - 1903 - 221 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...
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Electric lighting: a practical exposition of the art, for the use of ...

Francis Bacon Crocker - 1904
...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...
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Cyclopedia of Applied Electricity: Current measurements; Wiring; Telegraph

American School (Chicago, Ill.) - 1905
...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...
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Modern Engineering Practice: A Reference Library..., Том 1

American School (Chicago, Ill.) - 1906
...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...
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Cyclopedia of Modern Shop Practice: A Manual of Shop Practice ..., Том 3

Howard Monroe Raymond - 1906
...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...
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Cyclopedia of Engineering: A Manual of Steam Boilers, Steam Pumps ..., Том 5

Louis Derr - 1906
...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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