| American Institute of Electrical Engineers - 1897 - 710 стор.
...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. /. When from the nature of the case it is impossible to place concealed wiring on non-combustible insulating... | |
| American Society of Mechanical Engineers - 1898 - 1122 стор.
...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. t. When from the nature of the case it is impossible to place concealed wiring on non-combustible insulating... | |
| Francis Bacon Crocker - 1901 - 528 стор.
...under ordinary conditions, where wiring along flat surfaces, supports al least every four and one-half feet. If the wires are liable to be disturbed, the...shortened. In buildings of mill construction, mains of No. S M. Jt S. wire or over, where not liable to be disturbed, may be separated about four inches, and... | |
| Francis Bacon Crocker - 1901 - 514 стор.
...wiring along fiat surfaces, supports at least every four and one-half feet. If the wires are liable lo be disturbed, the distance between supports should...shortened. In buildings of mill construction, mains of No. S 1J. & S. wire or over, where not liable to be disturbed, may be separated about four inches, and... | |
| Horatio Alvah Foster - 1901 - 1018 стор.
...under ordinary conditions, where wiring along flat surfaces, supports at least every four aiid one-half feet. If the wires are liable to be disturbed, the distance between supports should be shorten-i. In buildings of mill construction, mains of No. 8 13. & S. wire or over, where not liable... | |
| Francis Bacon Crocker - 1901 - 528 стор.
...under ordinary conditions, where wiring over flat surfaces, supports at least every four and one-half feet. If the wires are liable to be disturbed, the distance between suppoits should be shortened. In buildings of mill construction, mains of No. 8 IS. & S. wire or over,... | |
| 1902 - 738 стор.
...supporting requires under ordinary conditions, where wiring over flat surfaces, supports at least every 4i feet. If the wires are liable to be disturbed, the...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.
...requires under ordinary conditions, where wiring along flat surfaces, supports at least every fl/2 feet. If the wires are liable to be disturbed, the distance between supports should be shortened. In building of mill construction, mains of No. 8 B. & S. wire or over, where not liable to be disturbed,... | |
| Francis Bacon Crocker - 1904 - 530 стор.
...under ordinary conditions, where wiring along flat surfaces, supports al least everyfour and one-half feet. If the wires are liable to be disturbed, the...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 - 1904 - 696 стор.
...under ordinary conditions, where wiring over flat surfaces, supports at least every four and one-half feet. If the wires are liable to be disturbed, the...In buildings of mill construction, mains of No. 8 H. & S. wire or over, where not liable to be disturbed, may be separated about four inches, and run... | |
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