| Charles Edwin Knox - 1907 - 244 стор.
...junction boxes on two or more insulating supports so placed that the conductors will be deflected at an angle of not less than 90 degrees, and carried...its vertical position. Cables so suspended may be additionally secured to these insulators by tie wires. Other methods, if used, must be approved by... | |
| Henry Charles Horstmann, Victor Hugo Tousley - 1908 - 352 стор.
...junction boxes on two or more insulating supports so placed that the conductors will be deflected at an angle of not less than 90 degrees and carried a...its vertical position. Cables so suspended may be additionally secured to these insulators by tie wires. Other methods, if used, must be approved by... | |
| 1910 - 232 стор.
...placed that the conductors shall be deflected at an angle not less than 90° and carried a distance not less than twice the diameter of the cable from its vertical position ; provided, that cables so suspended shall be secured to insulators by tie wires: or they shall be... | |
| 1913 - 460 стор.
...every 80 feet; 0000 to 350,000 cm every 60 feet; 350,000 cm to 500,000 cm every 50 feet; 500,000 cm to 750,000 cm every 40 feet; 750,000 c. m. every 35 feet....conduit risers. The conductors will be held to the back Fig. 118. Cable Clamp Used i Conduit System plates by clamps and the whole will finally be enclosed... | |
| Dallas (Tex.). - 1914 - 258 стор.
...insulating supports, so placed that the conductors will be deflected at an angle of not less than ninety (90) degrees, and carried a distance of not less than...its vertical position. Cables so suspended may be additionally secured to these insulators by tie-wires. Other methods, if used, must be approved by... | |
| Little Rock (Ark.). - 1915 - 770 стор.
...junction boxes on two or more insulating supports so placed that the conductors will be deflected at an angle of not less than 90 degrees, and carried...its vertical position. Cables so suspended may be additionally secured to these insulators by tie wires. /&. Sec. 657. SAME — FOB CONCEALED "KNOB AND... | |
| Harry Cooke Cushing - 1915 - 332 стор.
...junction boxes on two or more insulating supports so placed that the conductors will be deflected at an angle of not less than 90 degrees, and carried...its vertical position. Cables so suspended may be additionally secured to these insulators by tie wires. For alternating systems, the two or more wires... | |
| Terrell Croft - 1917 - 446 стор.
...junction boxes on two or more insulating supports so placed that the conductors will be deflected at an angle of not less than 90 degrees, and carried...its vertical position. Cables so suspended may be additionally secured to these insulators by tie wires. 26o. f/F. WIRES— CONDUITS. Other methods may... | |
| Harry Cooke Cushing - 1917 - 374 стор.
...junction boxes on two or more insulating supports so placed that the conductors will be deflected at an angle of not less than 90 degrees, and carried...less than twice the diameter of the cable from its verticle position. Cables so suspended may be additionally secured to these insulations by tie wires.... | |
| Terrell Croft - 1920 - 488 стор.
...junction boxes on two or more insulating supports so placed that the conductors will be deflected at an angle of not less than 90 degrees, and carried...its vertical position. Cables so suspended may be additionally secured to these insulators by tie wires. 26b. 4. f/V. WIRES— CONDUITS. Other methods... | |
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