 | Frank Eugene Kidder - 1892 - 1058 стор.
...not liable to be exposed to dampness, by approved insulating bushings specially made for the purpose. (c) Must be kept free from contact with gas, water,...conductors or conducting material which they may cross (except high potential conductors), by some continuous and firmly fixed non-conductor creating a separation... | |
 | Frank Eugene Kidder - 1892 - 1032 стор.
...not liable to be exposed to dampness, by approved insulating bushings specially made for the purpose. (c) Must be kept free from contact with gas, water,...metallic piping, or any other conductors or conducting matt-rial which they may cross (except high potential conductors), by some continuous and firmly fixed... | |
 | Charles M. Davis - 1893 - 162 стор.
...approved insulating bushings specially made for the purpose. c. Must be kept free from contact wilh gas, water, or other metallic piping, or any other...conductors or conducting material which they may cross (except high potential conductors) by some continuous and firmly fixed non-conductor creating a separation... | |
 | Earle Abbott Merrill - 1896 - 232 стор.
...not liable to be exposed to dampness by approved insulating bushings specially made for the purpose. c. Must be kept free from contact with gas, water,...conductors or conducting material which they may cross (except high potential conductors) by some continuous and firmly fixed non-conductor creating a separation... | |
 | Earle Abbott Merrilol - 1896 - 232 стор.
...such as glass or porcelain. dampness by approved insulating bushings specially made for the purpose. c. Must be kept free from contact with gas, water,...conductors or conducting material which they may cross (except high potential conductors) by some continuous and firmly fixed non-conductor creating a separation... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...exposed to dampness by afproved insulating bushings specially made for the purpose. (See Definitions.) c. Must be kept free from contact with gas, water...conductors or conducting material which they may cross (except high potential conductors) by some continuous and firmly fixed non-conductor creating a separation... | |
 | Russell Robb - 1896 - 208 стор.
...the usual lengths of tube made for conduit work, nor when made without a head or flange on one end.] c. Must be kept free from contact with gas, water,...conductors or conducting material which they may cross (except high-potential conductors) by some continuous and firmly fixed non-conductor creating a separation... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...the purpose. (See Definitions,) Fro. 171. WIRE GDAGB ,'B. W, 9.) NATIONAL BOARD FIRE UNDERWRITERS. c. Must be kept free from contact with gas, water...conductors or conducting material which they may cross (except high potential conductors) by some continuous and firmly fixed non-conductor creating a separation... | |
 | American Institute of Electrical Engineers - 1897 - 710 стор.
...pushed in at each end so as to keep the wire absolutely out of contact with the conducting pipe. e. Must be kept free from contact with gas, water or other metallic pipings, or any other conductors or conducting material which they may cross, by some continuous and... | |
 | American Society of Mechanical Engineers - 1898 - 1122 стор.
...pushed in at each end so as to keep the wire absolutely out of contact with the conducting pipe. e. Must be kept free from contact with gas, water, or...rule may sometimes be allowed by special permission. /. Must be so placed in wet places that an air space will be left between conductors and pipes in crossing,... | |
| |
... e. Must be kept free from contact with gas, water or other metallic piping, or any other conductors or conducting material which they may cross, by some continuous and firmly fixed non-conductor, creating a separation of at least one inch. 
