 | 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... | |
 | American School (Lansing, Ill.) - 1907 - 438 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... | |
 | Saint Paul (Minn.). - 1908 - 1260 стор.
...ceiling. b. Must have all burrs or fins removed before the conductors are drawn into the fixtures. c. The tendency to condensation within the pipes should be guarded against by sealing the upper ends of the fixture. d. No combination fixture in which the conductors are concealed in a space less... | |
 | Harry Cooke Cushing - 1915 - 332 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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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. h. Each fixture must be tested for "contacts... 
