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Книги Книги 1 - 10 з 19 у They must not come nearer than two inches to any electric light or power wire in....
" They must not come nearer than two inches to any electric light or power wire in the building, unless separated therefrom by some continuous and firmly fixed non-conductor creating a permanent separation ; this non-conductor to be in addition to the regular... "
Agents' and Inspectators Pocket-book of Fire Protection - Сторінка 102
автори: George Velten Steeb - 1902 - 218 стор.
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Electrical Engineer's Pocket-book: A Hand-book of Useful Data for ...

Horatio Alvah Foster - 1901 - 987 стор.
...the protector, except where bunched, must be neatly arranged and securely fastened in place in any convenient, workmanlike manner. They must not come...ordinarily be insulated, but the kind of insulation is not speofflbd, as the protector is rolled upon to stop all dangerous currents. Porcelain tubing or circular...
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Electric Lighting: Distributing system and lamps

Francis Bacon Crocker - 1904
...the protector, except where bunched, must be neatly arranged and securely fastened in place in any convenient, workmanlike manner. They must not come...slipping out of place. The wires would ordinarily he insulated, but the kind of insulation is not specified, as the protector is relied upon to stop...
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International Library of Technology: A Series of Textbooks ..., Том 25,Частина 2

1907
...securely fastened in place in some convenient, workmanlike manner. They must not come nearer than 6 inches to any electric light or power wire in the...secured as to prevent its slipping out of place. The tubing may be retained in place by taping both ends. The wires would ordinarily be insulated, but the...
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Compiled Ordinances of the City of St. Paul, Minnesota

Saint Paul (Minn.). - 1908 - 1245 стор.
...the protector, except where bunched, must be neatly arranged and securely fastened in place in any convenient workmanlike manner. They must not come...so secured as to prevent its slipping out of place. Porcelain tubing or secular loom conduit shall be used for encasing wires. f. Wires connected with...
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Modern electrical construction...

Henry Charles Horstmann, Victor Hugo Tousley - 1908
...buildings where no protector is used, must be neatly arranged and securely fastened in place in some convenient, workmanlike manner. They must not come...electric light or power wire in the building unless encased in approved tubing so secured as .to prevent its slipping out of place. The wires would ordinarily...
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Telephone Construction, Installation, Wiring, Operation and Maintenance: A ...

William Hiram Radcliffe, Harry Cooke Cushing - 1908 - 171 стор.
...electric light or power wire in a building, unless incased in porcelain tubing or flexible conduit so secured as to prevent its slipping out of place. The wires leading out of the building should be No. 14 'weather-proof wire, protected from the F1G. 38. — Porcelain...
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Cyclopedia of Applied Electricity: A General Reference Work on Direct ..., Том 1

1913
...permanent separation, this non-conductor to be in addition to the regular insulation on the wire as the wires would ordinarily be insulated, but the kind of insulation is not specified, as the protector described below is relied upon to stop all dangerous currents. Porcelain tubing, approved flexible...
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Telephone Construction, Installation, Wiring, Operation and Maintenance

William Hiram Radcliffe, Harry Cooke Cushing - 1914 - 223 стор.
...electric light or power wire in a building, unless incased in porcelain tubing or flexible conduit so secured as to prevent its slipping out of place. The wires leading out of the building should be No. 14 Weather-proof wire, protected from the FIG. 38. — Porcelain...
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Building, Plumbing, Gas and Electrical Laws of the City of Dallas, Texas ...

Dallas (Tex.). - 1914 - 226 стор.
...securely fastened in place in some convenient, workmanlike manner. They must not come nearer than six (6) inches to any electric light or power wire in the building, unless in approved tubing so secured as to prevent its slipping out of place. (1) Where wires are bunched...
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Carpentry and Contracting: A Practical Reference Work on Carpentry ..., Том 3

1919
...permanent separation, this non-conductor to be in addition to the regular insulation on the wire as the wires would ordinarily be insulated, but the kind of insulation is not specified, as the protector described below is relied upon to stop all dangerous currents. Porcelain tubing, approved flexible...
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