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" ... be thoroughly ventilated to the outdoor air, if possible, through a chimney or flue. There should be at least six inches air space on all sides of the transformer. "
Carpentry and Contracting: A Practical Reference Work on Carpentry, Building ... - Сторінка 373
1919
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Standard Tables for Electric Wiremen: With Instructions for Wiremen and ...

Charles M. Davis - 1893 - 162 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the outdoor air, if possible, through a chimney or flue. 34. PRIMARY CONDUCTORS— a. Must each be heavily insulated with a coating of moisture-proof material...
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Electric Wiring Specifications for Incandescent Lighting

George H. Kimber - 1896 - 80 стор.
...ground and the inclosure in which they are placed must be practically air-tight, except that it shall be thoroughly ventilated to the outdoor air, if possible,...chimney or flue. There should be at least six inches air space on all sides of the converter. 35. PRIMARY CONDUCTORS: a. Must each be heavily insulated...
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Electric Lighting Specifications

Earle Abbott Merrilol - 1896 - 232 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible, through a chimney or flue. 35. PRIMARY CONDUCTORS:— a. Must each be heavily insulated with a coating of moisture-proof material...
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New Catechism of Electricity: A Practical Treatise

Nehemiah Hawkins - 1896 - 570 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible through a chimney or flue. 35. PRIMARY CONDUCTORS : a. Must each be heavily insulated with a coating of moisture-poof material...
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Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1896 - 232 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible, through a chimney or flue. 35. PRIMARY CoNDUCTORS: — a. Must each be heavily insulated with a coating of moisture-proof material...
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The National Electrical Code: An Analysis and Explanation of the ...

Richard Henry Pierce - 1896 - 234 стор.
...the ground, and the room in which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible through a chimney or flue. 35. PRIMARY CONDUCTORS: — a. Must each be heavily insulated with a coating of moisture-proof material...
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Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 208 стор.
...the ground, and the room hi which they are placed be practically air-tight, except that it shall be thoroughly ventilated to the out-door air, if possible through a chimney or flue. Any explanation of alternating currents and of the laws regulating their action requires so technical...
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Transactions of the American Institute of Electrical Engineers

American Institute of Electrical Engineers - 1897 - 710 стор.
...ground and the inclosure in which they are placed must be practically air tight, except that it shall be thoroughly ventilated to the outdoor air, if possible,...chimney or flue. There should be at least six inches air space on all sides of the transformer. 34. Car Wiring— a. Must be always run out of reach of...
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Transactions of the American Society of Mechanical Engineers, Том 19

American Society of Mechanical Engineers - 1898 - 1120 стор.
...ground and the inclosure in which they are placed must be practically air-tight, except that it shall be thoroughly ventilated to the outdoor air, if possible,...chimney or flue. There should be at least six inches air space on all sides of the transformer. 34. CAR WIRING — a. Must be always run out of reach of...
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Electric Lighting: A Practical Exposition of the Art, for the Use of ..., Том 2

Francis Bacon Crocker - 1901 - 528 стор.
...ground, and the inclosure in which they are placed must be practically air-tight, except that it shall be thoroughly ventilated to the outdoor air, if possible,...chimney or flue. There should be at least six inches air space on all sides of the transformer. :>7. Series Lamps — a. No system of multiple-series or...
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