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Книги Книги 1 - 10 з 32 у be: 2. Placed at every point where a change is made in the size of wires (unless....
" be: 2. Placed at every point where a change is made in the size of wires (unless the cut-out in the larger wire will protect the smaller.) "
Electric Lighting Specifications for the Use of Engineers and Architects - Сторінка 127
автори: Earle Abbott Merrill - 1892 - 176 стор.
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The Electrical Review, Том 8

1891
...overhead or underground con a building and join the inside wires. Double-Pole Safety Cut-out»—Must be : 2. Placed at every point where a change is made in the wire (unless the cut-out in the larger wire will | smaller). This includes all the flexible conductora,...
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Convention

National Electric Light Association. Convention - 1892
...i. Placed where the overhead or underground conductors enter a building and join the inside wires. 2. Placed at every point where a change is made in the size of the wire (unless the cut-out in the larger wire will protect the smaller). This includes all flexible...
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Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 183 стор.
...melted fuse metal's coming in contact with any substance which might be ignited thereby.] b. Must be placed at every point where a change is made in the size of the wire (unless the cut-out hi the larger wire will protect the smaller). c. Must be supported on...
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The National Electrical Code: An Analysis and Explanation of the ...

Richard Henry Pierce - 1896 - 222 стор.
...location of cut-outs. Originally, the regulations of the underwriters required that cut-outs must be placed at every point where a change is made in the size of the wire. When this rule was made it was customary to do the wiring of the " tree system" almost exclusively....
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New Catechism of Electricity: A Practical Treatise

Nehemiah Hawkins - 1896 - 541 стор.
...be in plain sight or enclosed iu an approved box, readily accessible. (See Definitions.) b. Must be placed at every point where a change is made in the size of the wire (unless the cut-out in the larger wire will protect the smaller). NATIONAL BOARD FIRE UNDERWRITERS....
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Transactions, Том 14

American Institute of Electrical Engineers - 1898
...visible with the name of the maker and current and voltage for which the device is designed. c. Must be placed at every point where a change is made in the size of the wire (unless the cut-out m the larger wire will protect the smaller). d. In places such as upper...
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A Textbook on Electric Lighting and Railways: International ..., Том 4

1901
...inside the building, the cutout required by this section must be placed so as to protect it. b. Must be placed at every point where a change is made in the size of wire [unless the cut-out in the larger wire will protect the smaller]. This (b) means unless the current...
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A textbook on electric lighting and railways: geometrical drawing ...

International Correspondence Schools - 1901
...box or mounted on porcelain knobs. nioiiiiii i<- Cut-Outs (Fuses and Circuit-Breakers) Ib. Must be placed at every point where a change is made in the size of wire [unless the cut-out in the larger wire will protect the smaller). a. Must be placed on all service...
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International Library of Technology: A Series of Textbooks for Persons ...

1902
...inside the building, the cutout required by this section must be placed so as to protect it. b. Must be placed at every point where a change is made in the size of wire [unless the cut-out in the larger wire will protect the smaller]. This (/;) means unless the current...
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Electrical Engineer's Pocket-book: A Hand-book of Useful Data for ...

Horatic Alvah Foster - 1902 - 987 стор.
...directly to mains when such cutout supplies circuits requiring not more than 660 watts energy. c. Must be placed at every point where a change is made in the size of the wire (unless the cutout iu the larger wire will protect the smaller). e. When placed anywhere except...
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