 | American Institute of Electrical Engineers - 1897 - 710 стор.
...unusually liable to be disturbed, the distance between supports should be shortened. In buildings of mill construction, mains of No. 8 B. & s. wire or over,...not liable to be disturbed, may be separated about six inches for voltages up to 750 and about ten inches for voltages above yso; and run from timber... | |
 | American Society of Mechanical Engineers - 1898 - 1122 стор.
...are liable , to be disturbed, the distance between supports should be shortened. In buildings of mill construction, mains of No. 8 B. & S. wire or over,...not liable to be disturbed, may be separated about four inches, and run from timber to timber, not breaking around, and may be supported at each timber... | |
 | Francis Bacon Crocker - 1901 - 514 стор.
...unusually liable to be disturbed, the distance between supports should be shortened. In buildings of mill construction, mains of No. 8 B. & S. wire or over,...not liable to be disturbed, may be separated about six inches for voltages up to 750 and about ten inches for voltages above 750 ; and run from timber... | |
 | Horatio Alvah Foster - 1901 - 1018 стор.
...unusually liable to be disturbed, the distance between supports should be shortened. In buildings of mill construction, mains of No. 8 B. & S. wire or over,...not liable to be disturbed, may be separated about six inches for voltages up to 750 and about ten inches for voltages above 750 ; and run from timber... | |
 | Francis Bacon Crocker - 1901 - 528 стор.
...mains of N'o. 8 I!. & S. wire or over, where not liable to t>e disturbed, may be separated about four inches, and run from timber to timber, not breaking...around, and may be supported at each timber only. k. Must have no joints or splices. For molding work : /. Must have approved rubber insulating covering... | |
 | Francis Bacon Crocker - 1901 - 528 стор.
...are liable to be disturbed, the distance between supports should be shortened. In buildings of mill construction, mains of No. 8 B. & S. wire or over, where not liable to be disturbed, may bit separated about four inches, and run from timber to timber, not breaking around, and may be supported... | |
 | 1902 - 738 стор.
...are liable to be disturbed, the distance between supports should be shortened. In buildings of mill construction, mains of No. 8 B. & S. wire or over,...around, and may be supported at each timber only. c. Must have no joints or splices. Sockets. — a. In rooms where inflammable gases may exist, the... | |
 | George Velten Steeb - 1902 - 230 стор.
...but if the wires are apt to be disturbed the supports should be closer together. In buildings of mill construction, mains of No. 8 B. & S. wire or over,...not liable to be disturbed, may be separated about ten inches and run from timber to timber, not breaking around, and may be supported at each timber... | |
 | 1906 - 582 стор.
...between supports should be shortened. In buildings of mill construction, mains of No. 8 B. & S. gauge wire or over, where not liable to be disturbed, may be separated about 6 inches, and run from timber to timber, not breaking around, and may be supported at each timber only.... | |
 | Francis Bacon Crocker - 1906 - 530 стор.
...distance between supports should be shortened. In buildings of mill construction, mains of No. 8 B. & 8. wire or over, where not liable to be disturbed, may be separated about four inches, and run from timber to timber, not breaking around, and may be supported at each timber... | |
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Rigid supporting requires under ordinary conditions, where wiring along flat surfaces, supports at least every four and one-half feet. If the wires are liable to be disturbed, the distance between supports should be shortened. In buildings of mill construction,... 
