 | National Electric Light Association. Convention - 1892 - 458 стор.
...So suspended that the entire weight of the socket and lamp will be borne by knots, above the point where the cord comes through the ceiling block or...should have openings at least equal to onequarter inch gas-pipe size. 4. Allowed to sustain nothing heavier than a fourlight cluster, and in such a case special... | |
 | Frank Eugene Kidder - 1892 - 1058 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket. and above the point where the cord comes through the ceiling block or...order that the strain may be taken from the joints ansi binding screws. (9) Must be equipped with keyiess sockets as far as practicable, and be controlled... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws g. Must be equipped with keyless sockets as far as practicable, and be controlled by wall switches.... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through, the ceiling block or...strain may be taken from the joints and binding screws. g. Must be equipped with keyless sockets as far as practicable, and be controlled by wall switches.... | |
 | Russell Robb - 1896 - 208 стор.
...under the bushing in the socket, and above the point where the cord comes through the ceiling-block or rosette, in order that the strain may be taken from the joints and binding screws. g. Must be equipped with keyless sockets as far as practicable, and be controlled by wall switches.... | |
 | Nehemiah Hawkins - 1897 - 574 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws. g. Must be equipped with keyless sockets as far as practicable, and be controlled by wall switches.... | |
 | American Society of Mechanical Engineers - 1898 - 1122 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws. 29. Aiso Liowrs ON LOW-POTENTIAL (JIBourraa. Must have a cut-out (see No. 17 a) for each lamp or each... | |
 | American Institute of Electrical Engineers - 1898 - 716 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws. 29. Arc Lights on Low-Potential Circuits.— a. Must have a cut-out (see No. 170) for each lamp or... | |
 | International Correspondence Schools - 1901 - 630 стор.
...of the socket and lamp will be borne by knots under the bushing in the socket, and above the point where the cord comes through the ceiling block or...strain may be taken from the joints and binding screws. 68. As there is much inferior lamp cord on the market, the specifications for lamp cord are given here.... | |
 | 1901 - 618 стор.
...lamp will be borne by knots under the bushing in the socket, and above the point where the cord conies through the ceiling block or rosette, in order that...strain may be taken from the joints and binding screws. <>H. As there is ni'ieh inferior lami) cord on the market, the specifications for lamp cord are given... | |
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where the cord comes through the ceiling block or rosette, in order that the strain may be taken from the joints and binding screws. All sockets used for wire or cord pendants should have openings at least equal to one-quarter inch 
