![](https://books.google.com.ua/books/content?id=eGIOAAAAYAAJ&printsec=frontcover&img=1&zoom=5&edge=curl) | Frank Eugene Kidder - 1892 - 1032 стор.
...of lamps or on hanger boards, cut-out boxes, or the like, •where less distance is necessary. (/) Must be separated from contact with walls, floors,...partitions through which they may pass, by non-combustible insulating tube or hard rubber tube. (g) Must be so spliced or joined as to be both mechanically and... | |
![](https://books.google.com.ua/books/content?id=xcRJAAAAIAAJ&printsec=frontcover&img=1&zoom=5&edge=curl) | Charles M. Davis - 1893 - 162 стор.
...structure of lamps or on hanger boards, cut-out boxes, or the like, where less distance is necessary. /. Must be separated from contact with walls, floors,...partitions through which they may pass by non-combustible insulating tube or hard-rubber tube. g. Must be so spliced or joined as to be both mechanically and... | |
![](https://books.google.com.ua/books/content?id=A3xRAAAAMAAJ&printsec=frontcover&img=1&zoom=5&edge=curl) | Earle Abbott Merrill - 1896 - 222 стор.
...structure of lamps or on hanger boards, cut-out boxes, or the like, where less distance is necessary. f. Must be separated from contact with walls, floors,...partitions through which they may pass by noncombustible insulating tube. g. Must be so spliced or joined as to be both mechanically and electrically secure... | |
![](https://books.google.com.ua/books/content?id=JS8KAAAAIAAJ&printsec=frontcover&img=1&zoom=5&edge=curl) | Richard Henry Pierce - 1896 - 234 стор.
...structure of lamps or on hanger boards, cut-out boxes, or the like, where less distance is necessary, f. Must be separated from contact with walls, floors,...partitions through which they may pass by non-combustible insulating tube. g. Must be so spliced or joined as to be both mechanically and electrically secure... | |
![](https://books.google.com.ua/books/content?id=Be8OAAAAYAAJ&printsec=frontcover&img=1&zoom=5&edge=curl) | Russell Robb - 1896 - 206 стор.
...structure of lamps or on hanger-boards, cut-out boxes, or the like, where less distance is necessary. /. Must be separated from contact with walls, floors,...partitions through which they may pass, by noncombustible insulating tube. g. Must be so spliced or joined as to be both mechanically and electrically secure... | |
![](https://books.google.com.ua/books/content?id=3iZDAAAAIAAJ&printsec=frontcover&img=1&zoom=5&edge=curl) | Earle Abbott Merrilol - 1896 - 232 стор.
...structure of lamps or on hanger boards, cut-out boxes, or the like, where less distance is necessary. with walls, floors, timbers, or partitions through which they may pass by noncombustible insulating tube. g. Must be so spliced or joined as to be both mechanically and electrically secure... | |
![](https://books.google.com.ua/books/content?id=RxlIAAAAIAAJ&printsec=frontcover&img=1&zoom=5&edge=curl) | Nehemiah Hawkins - 1896 - 570 стор.
...hanger-boards, cut-out boxes, or the like, where less distance is necessary. f. Must be separated from conctact with walls, floors, timbers or partitions through which they may pass by non combustible insulating tube. WIRING RULES AND REQUIREMENTS. g. Must be so spliced or joined as... | |
![](https://books.google.com.ua/books/content?id=Q8JNGMdFuoEC&printsec=frontcover&img=1&zoom=5&edge=curl) | American Society of Mechanical Engineers - 1898 - 1122 стор.
...a conductivity greater than No. 10 B. & S. copper wire, they must be soldered into lugs. All joiuts must be soldered, even if made with some form of patent...nonabsorptive insulating tubes, such as glass or porcelain. Rushings must be long enough to bush the entire length of the hole in one continuous piece, or else... | |
![](https://books.google.com.ua/books/content?id=65tRAAAAMAAJ&printsec=frontcover&img=1&zoom=5&edge=curl) | Francis Bacon Crocker - 1901 - 528 стор.
...they have a conductivity greater than No. 10 B. & S. copper wire, they will be soldered into lugs. All joints must be soldered, even if made with some form...entire length of the hole in one continuous piece, or elsa the hole must first be bushed by a continuous waterproof tube, which may be a conductor, such... | |
![](https://books.google.com.ua/books/content?id=OJdNAAAAMAAJ&printsec=frontcover&img=1&zoom=5&edge=curl) | 1902 - 750 стор.
...smaller size than No. 14 B. & S., except when used for wiring fixtures or by special permission. Wires must be separated from contact with walls, floors,...entire length of the hole in one continuous piece. Transformers must not be placed inside of any building, excepting central stations, unless by special... | |
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