 | Frank Eugene Kidder - 1892 - 1032 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... | |
 | Charles M. Davis - 1893 - 162 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... | |
 | Earle Abbott Merrilol - 1896 - 232 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... | |
 | Earle Abbott Merrill - 1896 - 222 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... | |
 | Russell Robb - 1896 - 208 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... | |
 | Richard Henry Pierce - 1896 - 234 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... | |
 | American Institute of Electrical Engineers - 1897 - 710 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...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... | |
 | American Society of Mechanical Engineers - 1898 - 1122 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...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... | |
 | Francis Bacon Crocker - 1901 - 514 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... | |
 | Francis Bacon Crocker - 1901 - 528 стор.
...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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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... 
