 No combination fixture in which the conductors are concealed in a space less than one-fourth inch between the inside pipe and the outside casing will be approved. e. Must be tested for "contacts" between conductors and fixtures, for "short circuits" and...  Electric Lighting Specifications - Сторінка 181автори: Earle Abbott Merrilol - 1896 - 213 стор.Повний перегляд - Докладніше про цю книгу
 | Horatio Alvah Foster - 1901 - 1018 стор.
...celling. b. Must have all burs, or fins, removed before the conductois are drawn into the fixture. c. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. d. No combination fixture in which the conductors are concealed in a space less than one-fourth inch... | |
 | Francis Bacon Crocker - 1901 - 528 стор.
...ceiling. b. Must have all burs, or fins, removed before the conductors are drawn into the fixture. c. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. d. No combination fixture in which the conductors are concealed in a space less than one-fourth inch... | |
 | George Velten Steeb - 1902 - 230 стор.
...must be so secured as not to be abraded by the pressure of the fastenings or motion of the fixture. No combination fixture in which the conductors are...inside pipe and the outside casing will be approved, and under no circumstances shall there be a difference of potential of more than 300 volts between... | |
 | Harry Cooke Cushing - 1902 - 204 стор.
...porcelain tubes. All burs or fins should be removed from the fixtures before the wires are drawn in. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. In combination fixtures, where the wiring is concealed between the inside pipe and outer casing, the... | |
 | 1902 - 742 стор.
...ceiling. b. Must have all burrs, or fins, removed before the conductors are drawn into the fixture. c. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. d. No combination fixture in which the conductors are concealed in a space less than ± inch between... | |
 | 1902 - 738 стор.
...ceiling. b. Must have all burrs, or fins, removed before: the conductors are drawn into the fixture. c. The tendency to condensation within the pipes, should be guarded against by sealing the upper encfc of the fixture. d. No combination fixture in which the conductors are concealed in a space less... | |
 | American School (Lansing, Ill.) - 1903 - 320 стор.
...porcelain tubes. All burrs or fins should be removed from the fixtures before the wires are drawn in. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. In combination fixtures, where the wiring is concealed between the inside pipe and outer casing, the... | |
 | 1905 - 484 стор.
...porcelain tubes. All burrs or fins should be removed from the fixtures before the wires are drawn in. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. In combination fixtures, where the wiring is concealed between the inside pipe and outer casing, the... | |
 | American School (Chicago, Ill.) - 1906 - 528 стор.
...porcelain tubes. All burrs or fins should be removed from the fixtures before the wires are drawn in. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. In combination fixtures, where the wiring is concealed between the inside pipe and outer casing, the... | |
 | 1906 - 590 стор.
...porcelain tubes. All burrs or fins should be removed from the fixtures before the wires are drawn in. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. In combination fixtures, where the wiring is concealed between the inside pipe and outer casing, the... | |
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