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Книги Книги 1 - 10 з 34 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 396
автори: Nehemiah Hawkins - 1896 - 541 стор.
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The Electrical Review, Том 8

1891
...enters the socket. 3. 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...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 .; in . gas-pipe...
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The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 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. [Classes D and E, relating to Alternating System and Electric Railways, are here omitted.] MISCELLANEOUS....
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Convention

National Electric Light Association. Convention - 1892
...enters the socket. 3. 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...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 onequarter inch gas-pipe...
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Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1892 - 176 стор.
...So suspended that the entire weight of the socket and lamp will be borne by knots, above the points where the cord comes through the ceiling block or...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...
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Standard Tables for Electric Wiremen: With Instructions for Wiremen and ...

Charles M. Davis - 1893 - 128 стор.
...the cord must be taped to prevent fraying of the covering. f. Must be so suspended that the enSi tire weight of the socket and lamp will be borne by knots...and above the point where the cord comes through the ceil,ng block or rosette, in order that the strain may be taken from the joints and binding screws....
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Electrical Engineer, Том 17

1894
...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...order that the strain may be taken from the joints ana binding screws. All sockets used for wire or cord pendants should have openings at least equal...
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The Electrical Transmission of Energy: A Manual for the Design of Electrical ...

Arthur Vaughan Abbott - 1895 - 586 стор.
...socket. 3. Must be 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...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...
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The National Electrical Code: An Analysis and Explanation of the ...

Richard Henry Pierce - 1896 - 222 стор.
...be used except for pendants, wiring of fixtures and portable lamps or motors, d. Must not be used in show windows, e . Must be protected by insulating...used for decorative purposes inside of buildings. Although arc lamps are for the most part operated in series, and upon high potential systems, still...
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Electric Wiring Specifications for Incandescent Lighting

George H. Kimber - 1896 - 59 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...used for decorative purposes inside of buildings, except by special permission in writing from the Underwriters having jurisdiction. Class D. ALTERNATING...
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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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