| American Institute of Electrical Engineers - 1897 - 710 стор.
...insulation resistance of one megohm per mile after three minutes' electrification, with 550 volts. b. Must have no single wire larger than No. 12 B. & S....and when they have a conductivity greater than No. JO B. & S. copper wire they must be soldered into lugs. c. Must be supported in approved molding, except... | |
| Francis Bacon Crocker - 1901 - 528 стор.
...insulation resistance of one megohm per mile after three minutes' electrification, with 550 volts. b. Must have no single wire larger than No. 12 B. & S....being fastened under clamps or binding screws, and wltcit they have a conductivity greater than No. 10 B. & S. copper wire they must be soldered into... | |
| Horatio Alvah Foster - 1901 - 1018 стор.
...three minutes' electrification, with 550 volts. ft. Must have no single wire larger than No, 12 Ft. & S. "Wires to be stranded when greater carrying capacity...when they have a conductivity greater than No. 10 H. & S. copper wire they must be soldered into lugs. c. Mnst be supported in approved molding, except... | |
| Francis Bacon Crocker - 1901 - 528 стор.
...insulation resistance of one megohm per mile after three minutes' electrification, with C50 volts. b. Must have no single wire larger than No. 12 B. & S....required. No single solid wire smaller than No. 14 13. & S., except in fixture wiring, to be used. Stranded wires must be soldered before being fastened... | |
| Arthur Vaughan Abbott - 1904 - 754 стор.
...insulation resistance of one megohm per mile after three minutes' electrification with 550 volts. b. Must have no single wire larger than No. 12 B. & S. Stranded conductors must be used when greater carrying capacity is required. No single solid wires... | |
| 1906 - 582 стор.
...soldered to insure preservation, and the joint covered with an insulation equal to that on the conductors. Stranded wires must be soldered before being fastened under clamps or binding screws, and whether stranded or solid, when they have a conductivity greater than No. 8 B. & S. gauge, they must... | |
| 1906 - 544 стор.
...soldered to insure preservation, and the joint covered with an insulation equal to that on the conductors. Stranded wires must be soldered before being fastened under clamps or binding screws, and whether stranded or solid, when they have a conductivity greater than No. 8 B. & S. gauge, they must... | |
| Arthur Vaughan Abbott - 1907 - 852 стор.
...conduit, except at switchboards and for portables. b. No single wire larger than No. 12 B. & S. to l>e stranded when greater carrying capacity is required....smaller than No. 14 B. & S., except in fixture wiring. c. Splices or taps must be avoided. Where necessary must be so spliced as to be both mechanically and... | |
| Baltimore (Md.) - 1908 - 514 стор.
...it be made, in an iron box and that box placed in an accessible place. PAR. 49. Stranded wires shall be soldered before being fastened under clamps or binding screws, and when they have a con3o4 ELECTRICAL WORK. 305 1769 1770 1771 ductivity greater than a Xo. 12 B. & S. copper wire they... | |
| International Correspondence Schools - 1908 - 660 стор.
...soldered to insure preservation, and the joint covered with an insulation equal to that on the conductors. Stranded wires must be soldered before being fastened under clamps or binding screws, and whether stranded or solid, when they have a conductivity greater than No. 8 B. & S. gauge, they must... | |
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