 | 1891 - 680 стор.
...tube w current of more than 10 amperes is expected. 6. Depended upon for insulation. The conductor* covered with moisture-proof material. The object of a tube or conduit is to facilitate the iaseta extraction of the conductors, to protect them from meeia injury, and, as far as possible, from... | |
 | Frank Eugene Kidder - 1892 - 1032 стор.
...material be entirely dry, when the projection may be reduced to half an inch. * The object of a lubo or conduit is to facilitate the insertion or extraction of the conductors, to protect themfrom mechanical injury, find, a* far as possible, from moisture. Tnbes or conduits are to be cnnsidi'red... | |
 | Charles M. Davis - 1893 - 162 стор.
...insulating tubes, such as glass or porcelain. 22. INTERIOR CONDUITS*— a. Must be continuous from one junc* The object of a tube or conduit is to facilitate the...them from mechanical injury, and, as far as possible, 73 tion box to another, or to fixtures, and must be of material that will resist the fusion of the... | |
 | 1894 - 622 стор.
...facilitate the drawing in of the same. 4. Must not be depended upon for insulation. The conductors should be covered with moisture-proof material. The object...mechanical injury and, as far as possible, from moisture. Conductors passing through walls or ceilings must be encased in a suitable tubing, which must extend... | |
 | W. J. Jenks - 1894 - 110 стор.
...present rules of the underwriters set forth that the "object of a tube or conduit" for interior wiring "is to facilitate the insertion or extraction of the...mechanical injury, and as far as possible from moisture." It is a serious question for the insurance inspector to determine whether there is any method now practiced... | |
 | Arthur Vaughan Abbott - 1895 - 646 стор.
...facilitate the drawing in of the same. 4. Must not be depended upon for insulation. The conductors should be covered with moisture-proof material. The object...mechanical injury, and, as far as possible, from moisture. Conductors passing through walls or ceilings must be encased in a suitable tubing, which must extend... | |
 | National Electric Light Association. Convention - 1896 - 486 стор.
...conveying water or fluid. According to the standard rules (National Board of Fire Underwriters, 1896,) the object of a tube or conduit is to facilitate the...mechanical injury, and, as far as possible, from moisture. Tubes or conduits are to be considered merely as raceways, and are not to be relied on for insulation... | |
 | Nehemiah Hawkins - 1896 - 570 стор.
...continuous from one junction box to another. or to fixtures, and must bi of material that will resist the * The object of a tube or conduit is to facilitate the...mechanical injury, and as far as possible, from moisture. Tubes or comluits are to be considered merely as raceways, and are not to be relied on for insulation... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...consistent with a preceding statement which is still retained in the code and which reads as follows: The object of a tube or conduit is to facilitate the...mechanical injury, and as far as possible, from moisture. Tubes or conduits are to be considered merely as raceways, and are not to be relied on for insulation... | |
 | George H. Kimber - 1896 - 80 стор.
...by burning out a wire inside the tube when the iron pipe is connected to one side of the circuit. * The object of a tube or conduit is to facilitate the...conductors, to protect them from mechanical injury, and, as for as possible, from moisture. Tubes or conduits are to be considered merely as raceways, and are... | |
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The object of a tube or conduit is to facilitate the insertion or extraction of the conductors to protect them from mechanical injury and, as far as possible, from moisture. 
