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" The insulating covering of the wire to be approved under this section must be solid, at least 3 -64th 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... "
Electric Lighting Specifications for the Use of Engineers and Architects - Сторінка 197
автори: Earle Abbott Merrill - 1896 - 213 стор.
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The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 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...
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The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 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...
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Standard Tables for Electric Wiremen: With Instructions for Wiremen and ...

Charles M. Davis - 1893 - 128 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...
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Electrical Engineer, Том 17

1894
...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,...
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Electric Lighting Specifications

Earle Abbott Merrilol - 1896 - 213 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...
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Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 183 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'...
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New Catechism of Electricity: A Practical Treatise

Nehemiah Hawkins - 1896 - 541 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'...
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Electric Wiring Specifications for Incandescent Lighting

George H. Kimber - 1896 - 59 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'...
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New Catechism of Electricity: A Practical Treatise

Nehemiah Hawkins - 1896 - 541 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...
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Transactions, Том 14

American Institute of Electrical Engineers - 1897
...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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