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Книги Книги 21 - 30 з 30 у VOLTS. Any circuit attached to any machine or combination of machines which develops....
" VOLTS. Any circuit attached to any machine or combination of machines which develops a difference of potential, between any two wires, of over... "
Electric Lighting Specifications for the Use of Engineers and Architects - Сторінка 161
автори: Earle Abbott Merrill - 1896 - 213 стор.
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Storage batteries ; incandescent lighting ; arc lighting ; interior wiring ...

International Correspondence Schools - 1908
...of over 550 volts and less than 3,500 volts shall be considered as a high-potential circuit and as coming under that class, unless an approved transforming...used which cuts the difference of potential down to 550 volts or less. Wires— a. Must have an approved rubber insulating ' covering. b. Must be always...
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Compiled Ordinances of the City of St. Paul, Minnesota

Saint Paul (Minn.)., James C. Michael, Hiram David Frankel - 1908 - 1245 стор.
...any two wires, or over 3,500 volts, shall be considered as an extra high-potential circuit, and as coming under that class, unless an approved transforming...used, which cuts the difference of potential down to 3,500 volts or less. 2080. 34. Primary Wires. — a. Must not be brought into or over buildings except...
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Modern electrical construction...

Henry Charles Horstmann, Victor Hugo Tousley - 1908
...550 volts and less than 3,500 volts, shall be considered as a high-potential circuit, and as coining under that class, unless an approved transforming...used, which cuts the difference of potential down to 350 volts or less. (See note following first paragraph under Low-Potential systems. 35. Wires. (See...
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Cyclopedia of applied electricity: a general reference work on direct ..., Том 1

American Technical Society - 1913
...of over 550 volts and less than 3,500 volts, shall be considered as a high-potential circuit and as coming under that class, unless an approved transforming...used, which cuts the difference of potential down to 550 volts or less. Similarly if the difference of potential between any two wires is over 3,500 volts...
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Building, Plumbing, Gas and Electrical Laws of the City of Dallas, Texas ...

Dallas (Tex.). - 1914 - 226 стор.
...of over 550 volts and less than 3500 volts, shall be considered as a high potential circuit and as coming under that class, unless an approved transforming...used which cuts the difference of potential down to 550 volts or less. (a) Must be always in plain sight, and never encased except as provided for in Section...
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Standard Wiring for Electric Light and Power as Adopted by the Fire ...

Harry Cooke Cushing (jr.) - 1917 - 360 стор.
...volts and less than 3,500 volts, is considered as a highpotential circuit, and as coming under this class, unless an approved transforming device is used, which cuts the difference of potential down to 550 volts or less. For 550 volt motor equipments a margin of ten per cent. above the 550 volt limit...
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Wiring for Light and Power: A Detailed and Fully Illustrated Commentary on ...

Terrell Croft - 1917 - 426 стор.
...and less than 3,500 volts, shall be considered as a high-potential circuit, and as coming under this class, unless an approved transforming device is used, which cuts the difference of potential down to 550 volts or less. For 550 volt motor equipments a margin of ten per cent above the 550 volt limit...
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Carpentry and Contracting: A Practical Reference Work on Carpentry ..., Том 3

1919
...of over 550 volts and less than 3,500 volts, shall be considered as a high-potential circuit and as coming under that class, unless an approved transforming...used, which cuts the difference of potential down to 550 volts or less. Similarly if the difference of potential between any two wires is over 3,500 volts...
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New Code of Ordinances of the City of New York: Including the Sanitary Code ...

New York (N.Y.) - 1922 - 621 стор.
...any two wires, of over 3,500 volts, shall be considered as an extra-high potential circuit, and as coming under that class, unless an approved transforming...used, which cuts the difference of potential down to 3,500 volts or less. 7. High-potential system. Any circuit attached to any machine or combination of...
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Encyclopedia of Engineering: A Treatise on Boilers, Steam Engines ..., Том 3

Calvin Franklin Swingle - 1906
...of over 550 volts and less than 3,500 volts, shall be considered as a high-potential circuit, and as coming under that class, unless an approved transforming...used, which cuts the difference of potential down to 550 volts or less. 35. Wires. (See also Nos. 14, 15 and 16.) a. Must have an approved rubber-insulating...
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