 | American School (Lansing, Ill.) - 1907 - 438 стор.
...fixed non-conductor, creating a separation of at least one inch. In wet places it should be arranged so that an air space will be left between conductors...which by leaking might cause trouble on a circuit. No smaller size than No. 14 B. & S. gauge should ever be used for any lighting or power work, not that... | |
 | Saint Paul (Minn.). - 1908 - 1260 стор.
...former must be run in such a way that they cannot come in contact with the pipe accidentally. Wire should be run over, rather than under, pipes upon...which by leaking might cause trouble on a circuit. 2050. 13. Underground Conductors. — a. Must be protected when brought into a building against moisture... | |
 | 1908 - 732 стор.
...cannot come in contact with the pipe accidentally. Wires should be run over, rather than under, pipes on which moisture is likely to gather or which, by leaking, might cause trouble on a circuit. g. The installation of electrical conductors in wooden molding or when supported on insulators in elevator... | |
 | Joseph Gerald Branch - 1913 - 316 стор.
...tubes are used, they must be securely fastened at the ends to prevent them from moving along the wire. f. Must be so placed in wet places that an air space...which, by leaking, might cause trouble on a circuit. g. The installation of electrical conductors in wooden moulding, or on insulators; in elevator shafts'... | |
 | International Correspondence Schools - 1913 - 654 стор.
...done, the end without a head should be taped to the wire to prevent the tube sliding along. /. Wires must be so placed in wet places that an air space...which, by leaking, might cause trouble on a circuit. g. The installation of electrical conductors in wooden molding, or on insulators, in elevator shafts... | |
 | 1913 - 242 стор.
...along the wire. Deviations from this rule may, when necessary, be allowed by special permission. £. Must be so placed in wet places that an air space...which, by leaking, might cause trouble on a circuit. g. The installation of electrical conductors in wooden moulding, or on insulators, in elevator shafts... | |
 | Sinclair Tousey - 1915 - 1418 стор.
...placed as nearly above the pipe as possible. (/) Must be so placed in wet places that an air-space will be left between conductors and pipes in crossing,...which, by leaking, might cause trouble on a circuit. SWITCHES, CUT-OUTS, CIRCUIT-BREAKERS, ETC. (a) Must, unless otherwise provided be so arranged that... | |
 | Little Rock (Ark.). - 1915 - 770 стор.
...between conductors and pipes In crossing, and the former must be run in such a way that they can not come in contact with the pipe accidentally. Wires...which, by leaking, might cause trouble on a circuit, (g) The insulation of electrical conductors in wooden moulding, or on insulators, in elevator shafts... | |
 | Harry Cooke Cushing - 1915 - 332 стор.
...secured by supporting the wires with a porcelain cleat placed as nearly above the pipe as possible. Wires should be run over rather than under pipes upon...which by leaking might cause trouble on a circuit. No smaller size than No. 14 B. & S. gauge should ever be used for any lighting or power work, not that... | |
 | Henry Charles Horstmann, Victor Hugo Tousley - 1916 - 456 стор.
...does not break as easily as tubes, but should never be used where there is any likelihood of dampness. f. Must be so placed in wet places that an air space...which, by leaking, might cause trouble on a circuit. This is a rule that is very often violated, as much work is done using loom, as shown at the left of... | |
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Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they cannot come in contact with the pipe accidentally. Wires should be run over, rather than under,... 
