| Frank Eugene Kidder - 1892 - 1032 стор.
...6. The insulating covering of the wire to be approved under this section must be solid, at least -fa of an inch in thickness, and covered with a substantial braid. It must not readily carry'fire, must show an insulating resistance of one megohm per mile after two weeks' submersion in... | |
| Frank Eugene Kidder - 1892 - 1058 стор.
...b. The insulating covering of the wire to be approved under this section must be solid, at least -*( of an inch in thickness, and covered with a substantial braid. It must not raidily carry fire, must show an insulating resistance of one megohm per mile after two weeks' submersion... | |
| Charles M. Davis - 1893 - 162 стор.
...CONDUCTORS. Section a. Insulation that will be approved for service wires must be solid, at least ^'j of an inch in thickness, and covered with a substantial...in water at 70 degrees Fahrenheit, and three days' subtner91 volts and after three minutes, electrifica- ' tion. RULE 12. INTERIOR CONDUCTORS. Section... | |
| 1894 - 622 стор.
...state that : " Insulation that will be approved for interior conductors must be solid, at least Д of an inch in thickness and covered with a substantial...braid. It must not readily carry fire, must show an insulation resistance of one megohm per mile after two weeks submersion in water at 70 degs. Fahrenheit,... | |
| Earle Abbott Merrilol - 1896 - 232 стор.
...exposed to dampness, the insulating covering of the wire, to be approved, must be solid, at least 3-64th of an inch in thickness, and covered with a substantial...submersion in lime water, with a current of 550 volts and after three minutes' electrification. (See List of Wires, page 202). dampness, a wire with an insulating... | |
| Russell Robb - 1896 - 206 стор.
...dampness, the insulating covering of the wire, to be approved, must be solid, at least three-sixty-fourths of an inch in thickness, and covered with a substantial...after two weeks' submersion in water at 70 degrees Fahr., and three days' submersion in limewater, with a current of 550 volts, and after three minutes'... | |
| Nehemiah Hawkins - 1896 - 570 стор.
...b. The insulating covering of the wire to be approved under this section must be solid, at least -fa of an inch in thickness and covered with a substantial...after two weeks' submersion in water at 70 degrees Farenheit, and three days' submersion in lime water, with a current of 550 volts after three minutes'... | |
| George H. Kimber - 1896 - 80 стор.
...The insulating covering of the wire to be approved under this section must be solid, at least 3-641h of an inch in thickness and covered with a substantial...per mile after two weeks' submersion in water at 70 deg. Fahr. and three days' submersion in lime water, with a current of 550 volts, after three minutes'... | |
| Nehemiah Hawkins - 1896 - 568 стор.
...CONDUCTORS: Section a. Insulation that will be approved for service wires must be solid, at least -fa of an inch in thickness, and covered with a substantial braid. It must not readily carry NATIONAL BOARD FIRE UNDERWRITERS. fire, must show an insulating resistance of one megohm per mile after... | |
| American Institute of Electrical Engineers - 1897 - 710 стор.
...Insulation.a. Rubber Covered. — The insulating covering must be solid, at least three sixty-fourths of an inch in thickness and covered with a substantial braid. It must not readiiy carry fire, must show an insulating resistance of one megohm per mile after two weeks' submersion... | |
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