 | National Electric Light Association. Convention - 1892 - 458 стор.
...expected. 6. Depended upon for insulation. The conductors should be covered with moisture-proof material. 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. Twin tube conductors... | |
 | Earle Abbott Merrill - 1892 - 188 стор.
...expected. 6. Depended upon for insulation. The conductors must be covered with moisture-proof material. 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. Twin tube conductors... | |
 | 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... | |
 | 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 insertion or extraction of the conductors, to protect them from mechanical injury, and, as far as possible, 73 tion box to another, or to fixtures,... | |
 | Russell Robb - 1896 - 208 стор.
...of approved wires given on page 80 is not necessarily correct for all these special conditions. 22. Interior Conduits: [The object of a tube or conduit...facilitate the insertion or extraction of the conductors, to protect them from mechanical injury, and, so far as • possible, from moisture. Tubes or conduits... | |
 | 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 insertion or extraction of the conductors, to protect them from mechanical injury, and, as for as possible, from moisture. Tubes or conduits are... | |
 | 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 insertion or extraction of the conductors to protect them from mechanical injury, and as far as possible, from moisture. Tubes or comluits are... | |
 | 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 insertion or extraction of the conductors, to protect them from mechanical injury, and as far as possible, from moisture. Tubes or conduits are... | |
 | 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 insertion or extraction of the conductors, to protect them from mechanical injury, and, as far as possible, from moisture. Tubes or conduits are... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...continuous from one junction box to another, or to fixtures, and must be of material that will resist the * The object of a tube or conduit is to facilitate the insertion ov extraction of the conductors to protect them from mechanical injury, and, 8 far as possible, from... | |
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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. Tubes or conduits are to be considered merely as raceways, and are not to be... 
