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Книги Книги 1 - 10 з 27 у Underground Conductors. a. Must be protected against moisture and mechanical injury....
" Underground Conductors. a. Must be protected against moisture and mechanical injury where brought into a building, and all combustible material must be kept from the immediate vicinity. b. Must not be so arranged as to shunt the current through a building... "
Electric Lighting Specifications for the Use of Engineers and Architects - Сторінка 168
автори: Earle Abbott Merrill - 1896 - 213 стор.
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The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 стор.
...connected therewith by specially insulated conductors, kept apart not less than two and a half inches. (c) Must not be so arranged as to shunt the current...through a building around any catch-box. INSIDE WIRING. OBNEBAL RULES. 17. At the entrance of every building there shall be an approved switch placed in the...
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The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 стор.
...connected .therewith by specially insulated conductors, kept apart not less than two and a half inches. (c) Must not be so arranged as to shunt the current through a building around any catch- box. INSIDE WIRING. GENERAL RULES. 17. At the entrance of every building there shall be an approved...
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Standard Tables for Electric Wiremen: With Instructions for Wiremen and ...

Charles M. Davis - 1893 - 128 стор.
...connected therewith by specially insulated conductors, kept apart not less than two and a half inches. c. Must not be so arranged as to shunt the current through a building aiound any catch-box. 69 17. At the entrance of every building there shall be an approved switch placed...
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Electric Wiring Specifications for Incandescent Lighting

George H. Kimber - 1896 - 59 стор.
...and one-half inches. The cut-out required by this section must be placed so as to protect the switch. c. Must not be so arranged as to shunt the current...conductors by which the current may be entirely cut off. The switch required by this rule to be approved must be of such construction that each wire entering...
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The National Electrical Code: An Analysis and Explanation of the ...

Richard Henry Pierce - 1896 - 222 стор.
...switch. c. Must not be so arranged as to shunt the current through a building around any catch box. INSIDE WIRING. GENERAL RULES. 17. At the entrance...conductors by which the current may be entirely cut off. The switch required by this rule, to be approved, must be of such construction that each wire entering...
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New Catechism of Electricity: A Practical Treatise

Nehemiah Hawkins - 1896 - 541 стор.
...and connected therewith by specially insulated conductors, kept apart not less than two and one-half inches. (See Definitions.) c. Must not be so arranged...the current through a building around any catch-box. 17. INSIDE WIRING — GENERAL RUI<ES : At the entrance of every building there shall be an approved...
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New Catechism of Electricity: A Practical Treatise

Nehemiah Hawkins - 1896 - 541 стор.
...and connected therewith by specially insulated conductors, kept apart not less than two and one-half inches. (See Definitions.) c. Must not be so arranged...to shunt the current through a building around any catch -box. 17. INSIDE WIRING — GENERAL RULES : At the entrance of every building there shall be...
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Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 183 стор.
...inches. [Section b. The cut-out required by this section must be placed so as to protect the switch.] c. Must not be so arranged as to shunt the current through a building around any catch-box. Underground conductors are usually brought into the basement of a building, where it is likely to be...
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Transactions, Том 14

American Institute of Electrical Engineers - 1897
...mechanical injury, and all combustible material must be kept removed from the immediate vicinity. b. Must not be so arranged as to shunt the current through a building around any catch-box. 1 6. Table of Carrying Capacity of Wires.— Below is a table showing the allowable carrying capacity...
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Transactions of the American Society of Mechanical Engineers

American Society of Mechanical Engineers - 1898
...mechanical injury, and all combustible material must be kept removed from the irmnediate vicinity. I. Must not be so arranged as to shunt the current through a building around any catch-box. 16. TABLE or CARRYING CAPACITY OF WIRES' — Below is a table showing the allowable carrying capacity...
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