| 1891 - 680 стор.
...large size. 5. So constructed as not to maintain an arc after the discharge is passed. Tenting. — All series and alternating circuits must be tested...potential and method of operation. All multiple arc low-potential systems (300 volts or less) must be provided with an indicating or detecting device,... | |
| Charles M. Davis - 1893 - 162 стор.
...d. Must be so constructed as not to maintain an arc after the discharge has passed. 7. TESTING. a. All series and alternating circuits must be tested...in view of the potential and method of operation. b. All multiple-arc low-potential systems (300 volts or less) must be provided with an indicating or... | |
| 1894 - 622 стор.
...size. 6. Must be so constructed as not to maintain an arc after the discharge has passed. Tetting. All series and alternating circuits must be tested...operation. All multiple arc low potential systems (300 volte or lees) must be provided with an indicating or detecting device, readily attachable, to afford... | |
| Russell Robb - 1896 - 206 стор.
...the discharge current will go to the earth without damage in some unlooked-for place. 7. Testing : a. All series and alternating circuits must be tested...in view of the potential and method of operation. 6. All multiple-arc low-potential systems (300 volts or less) must be provided with an indicating or... | |
| Nehemiah Hawkins - 1896 - 568 стор.
...d. Must be so constructed as not to maintain an arc after the discharge has passed. 7. TESTING : a. All series and alternating circuits must be tested...in view of the potential and method of operation. b. All multiple arc low potential systems (300 volts or less) must be provided with an indicating or... | |
| Nehemiah Hawkins - 1896 - 570 стор.
...operation, to discover any leakage to earth, abnormal in view of the potential and method of operation. b. All multiple arc low potential systems (300 volts...readily attachable, to afford easy means of testing whef e the station operates continuously. c. Data obtained from all tests must be preserved for examination... | |
| Russell Robb - 1896 - 208 стор.
...earth, abnormal in view of the potential and method of operation. b. All multiple-arc low-potential systems (300 volts or less) must be provided with...afford easy means of testing where the station operates continuously. c. Data obtained from all tests must be preserved for examination by insurance inspectors.... | |
| Earle Abbott Merrilol - 1896 - 232 стор.
...d. Must be so constructed as not to maintain an arc after the discharge has passed. 7. TESTING:— must be tested every two hours while in operation,...in view of the potential and method of operation. 6. All multiple arc low potential systems (300 volts or less) must be provided with an indicating or... | |
| Richard Henry Pierce - 1896 - 234 стор.
...earth, abnormal in view of the potential and method of operation. b. All multiple arc low-potential systems (300 volts or less) must be provided with...readily attachable, to afford easy means of testing. < Data obtained from all tests must be preserved for examination by insurance inspectors These rules... | |
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