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Книги Книги 11 - 20 з 35 у Must be so suspended that the entire weight of the socket and lamp will be borne....
" 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... "
New Catechism of Electricity: A Practical Treatise - Сторінка 394
автори: Nehemiah Hawkins - 1896 - 541 стор.
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Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1896 - 213 стор.
...cord 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...as practicable, and be controlled by wall switches. RULE 32. DECORATIVE SERIES LAMPS. Incandescent lamps run in series circuits shall not be used for decorative...
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Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 183 стор.
...the cord 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...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....
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Transactions, Том 14

American Institute of Electrical Engineers - 1897
...used in show windows. e. Must be protected by insulating bushings where the cord enters the socket. /. Must be so suspended that the entire weight of the...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...
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Transactions of the American Society of Mechanical Engineers

American Society of Mechanical Engineers - 1898
...used in show windows. e. Must be protected by insulated bushings where the cord enters the socket. • f. Must be so suspended that the entire weight of...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...
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Electrical Engineer's Pocket-book: A Hand-book of Useful Data for ...

Horatio Alvah Foster - 1901 - 987 стор.
...enters the socket. jr. Must be so suspended that the entire weight of the socket and lamp will be born 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 and binding screws....
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International Library of Technology: A Series of Textbooks for Persons ...

1902
...used in show windows. f. Must be protected by insulating bushings where the cord enters the socket. g. Must be so suspended that the entire weight of the...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....
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Standard wiring for electric light and power: as adopted by the Fire ...

Harry Cooke Cushing - 1902 - 152 стор.
...stand lamps. Flexible cord should be so suspended that the entire weight of the socket, lamp and shade will be borne by knots under the bushing in the socket,...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,...
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Agents' and Inspectators Pocket-book of Fire Protection

George Velten Steeb - 1902 - 218 стор.
...so suspended that the entire weight of the socket and lamp will be borne by knots under the bushings in the socket and above the point where the cord comes...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...
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Practical lessons in electricity. Elements of electricity. The electric current

American School (Chicago, Ill.), Lawrence K. Sager, Harry Cooke Cushing, Francis Bacon Crocker - 1903 - 221 стор.
...stand lamps. Flexible cord should be so suspended that the entire weight of the socket, lamp and shade will be borne by knots under the bushing in the socket,...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,...
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The Electrical Transmission of Energy: A Manual for the Design of Electrical ...

Arthur Vaughan Abbott - 1904 - 675 стор.
...bushings where the cord enters the socket. f. Must be so suspended that the entire weight of the sockets 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. 29. Arc Lights on Low-Potential Circuits. a. Must have a cut-out for each...
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