 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...  Convention - Сторінка 111автори: National Electric Light Association. Convention - 1892Повний перегляд - Докладніше про цю книгу
 | Earle Abbott Merrill - 1892 - 188 стор.
...free from "grounds." 4. The two installations must test perfectly free of connection with each other. Pendants and Sockets. No portion of the lamp socket...socket and lamp will be borne by knots, above the points where the cord comes through the ceiling block or rosette, in order that the strain may be taken... | |
 | Earle Abbott Merrill - 1892 - 188 стор.
...must be allowed to come into electrical contact with either of the conductors. CORD PENDANTS—Must be: 1. Made of conductors, each of which is composed...socket and lamp will be borne by knots, above the points where the cord comes through the ceiling block or rosette, in order that the strain may be taken... | |
 | Frank Eugene Kidder - 1892 - 1058 стор.
...enters the socket. The ends of the cord must be taped, to prevent fraying of the covering. (/) 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... | |
 | 1894 - 622 стор.
...noninflammable layer. 2. Must be protected by Insulating bushings where the cord enters the socket. 3. Muet be so suspended that the entire weight of the socket and lamp will be borne by knote above the point where the cord comes through the ceiling block or rosette, In order that the... | |
 | Arthur Vaughan Abbott - 1895 - 646 стор.
...layer. •J. iMust be protected by insulating bushings where the cord enters the socket. 3. Must be so suspended that the entire weight of the socket...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... | |
 | Nehemiah Hawkins - 1896 - 570 стор.
...enters the socket. The ends of the cord must be taped to prevent fraying of the covering. f. 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... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...enters the socket. The ends of the cord must be taped to prevent fraying of the covering, f. 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... | |
 | Russell Robb - 1896 - 208 стор.
...enters the socket. The ends of the cord must be taped to prevent fraying of the covering. /. 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... | |
 | George H. Kimber - 1896 - 80 стор.
...enters the socket. The ends of the cord must be taped to prevent fraying of the covering. /. 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... | |
 | Earle Abbott Merrill - 1896 - 222 стор.
...enters the socket. The ends of the cord must be taped, to prevent fraying of the covering. /. 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... | |
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