 | Frank Eugene Kidder - Architecture - 1892 - 1058 pages
...the entire case and surrounding of the rheostat, and not alone to the upholding supports. Class B : Any circuit attached to any machine, or combination...the difference of potential down to less than 300 rolts. Rule 1O. Outside Conductors : Section/. All joints must be soldered, even if made with the Mclntyre... | |
 | Frank Eugene Kidder - Architecture - 1892 - 1032 pages
...supports. Class B : Any circuit attached to any machine, or combination of machines, which develop over HOC volts difference of potential between any two wires,...difference of potential down to less than 300 volts. Rule 1O. Outside Conductors : Section/. All joints must be soldered, even if made with the Mclntyre... | |
 | Charles M. Davis - Electric wiring - 1893 - 162 pages
...difference of potential between any two wires, shall be j, considered as a high potential circuit .ajld coming under that class, unless an approved transforming...difference of potential down to less than 300 volts. RULE 10. OUTSIDE CONDUCTOES. Section/. It is the sense of the Electrical Committee that all joints... | |
 | Russell Robb - Electric wiring, Interior - 1896 - 208 pages
...SYSTEMS. OVER 300 VOLTS. Any circuit attached to any machine, or combination of machines, which develops over 300 volts difference of potential between any...properly insulated and substantially built supports, all tie-wires having an insulation equal to that of the conductors they confine. [Section a. Insulation... | |
 | Nehemiah Hawkins - Electric engineering - 1896 - 568 pages
...therefrom by a non-inflammable, non-absorptive, insulating material. Class B. High Potential Systems, over 300 VoltS. Any circuit attached to any machine, or...down to less than 300 volts. 10. OUTSIDE CONDUCTORS — An OUTSIDE, OVERHEAD CONDUCTORS (INCLUDING SERVICES) : a. Must be covered with some approved insulating... | |
 | Russell Robb - Electric wiring, Interior - 1896 - 208 pages
...over 300 volts difference of potential between any two wires, shall be considered as a high-potential circuit and coming under that class, unless an approved...properly insulated and substantially built supports, all tie-wires having an insulation equal to that of the conductors they confine. [Section a. Insulation... | |
 | Earle Abbott Merrill - Electric lighting - 1896 - 232 pages
...considered as a high potential circuit and coming under that class, unless an approved transforming1 device is used, which cuts the difference of potential...approved insulating material, not easily abraded, tirmly secured to properly insulated and substantially built supports, all tie wires having an insulation... | |
 | Russell Robb - Electric wiring, Interior - 1896 - 206 pages
...over 300 volts difference of potential between any two wires, shall be considered as a high-potential circuit and coming under that class, unless an approved...outside, overhead conductors (including services) : «. Must be covered with some approved insulating material, not easily abraded, firmly secured to... | |
 | American Institute of Electrical Engineers - Electric engineering - 1897 - 710 pages
...volts and less than 300 "volts, shall be considered as a low-potential circuit, and as coming under the class, unless an approved transforming device is used, which cuts the difference of potential down to ten volts or less. The primary circuit not to exceed a potential of 3,000 volts. 24- Wlres.GENERAL... | |
 | American Society of Mechanical Engineers - Mechanical engineering - 1898 - 1122 pages
...wires, of over ten volts and less than 300 volts, shall be considered as a low-potential circuit, and as coming under that class, unless an approved transforming...used, which cuts the difference of potential down to ten volts or less. The primary circuit not to exceed a potential of 3,000 volts. 24. WIRES — GENERAL... | |
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VOLTS. Any circuit attached to any machine or combination of machines which develops a difference of potential, between any two wires, of over... 
