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Книги Книги 1 - 10 з 20 у Special attention is called to the fact that switchboards should not be built down....
" Special attention is called to the fact that switchboards should not be built down to the floor, nor up to the ceiling, but a space of at least ten or twelve inches should be left between the floor and the board, and... "
New Catechism of Electricity: A Practical Treatise - Сторінка 404
автори: Nehemiah Hawkins - 1896 - 541 стор.
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The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 стор.
...Notice of the Approval of Certain Wires and Materials, and the Interpretation of Certain Rules. Rule 4. Switch-boards : Section a. Special attention is...from communicating from the switch-board to the floor or ceiling, and also to prevent the forming of a partially concealed space very liable to be used for...
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Standard Tables for Electric Wiremen: With Instructions for Wiremen and ...

Charles M. Davis - 1893 - 128 стор.
...approval of certain wires and materials, and the interpretation of certain rules. RULE 4. SWITCH BOARDS. Section a. Special attention is called to the fact...from communicating from the switchboard to the floor or ceiling, and also to p'revent the forming of a partially concealed space very liable to be used...
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Electric Lighting Specifications

Earle Abbott Merrilol - 1896 - 213 стор.
...made of metal, with legs raising can three inches from the floor and with self-closing covers. RULE 4. SWITCHBOARDS:— Section a. Special attention is...from communicating from the switchboard to the floor or ceiling, and also to prevent the forming of a partially concealed space very liable to be used for...
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Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1896 - 213 стор.
...made of metal, with legs raising can three inches from the floor and with self-closing covers. RULE 4. SWITCHBOARDS: — Section a. Special attention...from communicating from the switchboard to the floor or ceiling, and also to prevent the forming of a partially concealed space very liable to be used for...
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Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 183 стор.
...absorption of moisture. e. Bus-bars must be equipped in accordance with Rule 3 for placing conductors. [Section a. Special attention is called to the fact...from communicating from the switch-board to the floor or ceiling, and also to prevent the forming of a partially concealed space very liable to be used for...
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The National Electrical Code: An Analysis and Explanation of the ...

Richard Henry Pierce - 1896 - 222 стор.
...placed as to reduce to a minimum the danger of communicating fire to adjacent combustible material Special attention is called to the fact that switchboards should not be built down to the floor, rior up to the ceiling, but a space of at least eighteen inches, or two feet, should be left between...
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Transactions, Том 14

American Institute of Electrical Engineers - 1897
...placed as to reduce to a minimum the danger of communicating fire to adjacent combustible material. Special attention is called to the fact that switchboards...floor, nor up to the ceiling, but a space of at least ten to twelve inches should be left between the floor and the board, and from eighteen to twenty-four...
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Transactions of the American Society of Mechanical Engineers

American Society of Mechanical Engineers - 1898
...placed as to reduce to a minimum the danger of communicating fire to adjacent combustible material. Special attention is called to the fact that switchboards...floor, nor up to the ceiling, but a space of at least ten or twelve inches should be left between the floor and the board, and from eighteen to twenty-four...
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Distributing system and lamps

Francis Bacon Crocker - 1901 - 505 стор.
...placed as to reduce to a minimum the danger of communicating tire to adjacent combustible material. Special attention is called to the fact that switchboards...floor, nor up to the ceiling, but a space of at least ten or twelve inches should be left between the floor and the board, and from eighteen lo twenty-four...
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Electric lighting: a practical exposition of the art, for the use of ..., Том 2

Francis Bacon Crocker - 1901
...communicating fire to adjacent combustible material. Special attention is called to the fact tl,at switchboards should not be built down to the floor, nor up to the ceiling, but a space of at lea.st ten or twelve inches should be left between the floor and the board, and from eighteen to twenty-four...
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