 | American Institute of Electrical Engineers - 1897 - 710 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... | |
 | 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. ARC LIGHTS ON LOW-POTENTIAL CIRCUITS — a. Must have a cut-out (see No. 17 a) for each lamp or... | |
 | Horatio Alvah Foster - 1901 - 1018 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. SO. Arc Ligrht* on Low-Potential Circuits — a. Must have a cutout (see No. I'n) for each lamp of... | |
 | Harry Cooke Cushing - 1902 - 204 стор.
...socket, lamp and shade 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. It is good practice to always solder the ends of flexible cords which are going under binding screws,... | |
 | 1902 - 738 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.... | |
 | George Velten Steeb - 1902 - 230 стор.
...of the socket and lamp will be borne by knots under the bushings 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 and the binding screws. The great hazards with flexible cords are, that a strand may be broken and puncture... | |
 | American School (Lansing, Ill.) - 1903 - 320 стор.
...socket, lamp and shade 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. It is good practice always to solder the ends of flexible cords which are going under binding screws,... | |
 | American School (Chicago, Ill.) - 1906 - 528 стор.
...socket, lamp and shade will be borne by knots under tlie 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. It is good practice always to solder the ends of flexible cords which are going under binding screws,... | |
 | 1906 - 544 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. 47. In selecting flexible cord for any given job of wiring, the class of work for which the cord is... | |
 | 1906 - 590 стор.
...socket, lamp and shade 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. It is good practice always to solder the ends of flexible curds which are going under binding screws,... | |
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Must be so suspended that the entire weight 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 rosette, in order that the strain may be taken from the joints... 
