 Must, for constant-current systems, be provided with an approved hand switch, also an automatic switch that will shunt the current around the . carbons, should they fail to feed properly.  Convention - Сторінка 103автори: National Electric Light Association. Convention - 1892Повний перегляд - Докладніше про цю книгу
 | Earle Abbott Merrill - 1892 - 188 стор.
...partitions, treated as in central stations under like conditions. Lamps and Other Devices. ARC LAMPS—Must be in every case: 1. Carefully isolated from inflammable...insulated from the circuit in all their exposed parts. Incandescent lamps in series circuits, having a maximum potential of 350 volts or over, must be governed... | |
 | Earle Abbott Merrill - 1892 - 188 стор.
...with a glass globe surrounding the arc, securely fastened upon a closed base. No broken or cracaed globes may be used. 3. Provided with a hand switch,...provided with a wire netting around the globe and a spark arrester above, to prevent escape of sparks, melted copper or carbon. Incandescent lamps in series... | |
 | Earle Abbott Merrill - 1892 - 188 стор.
...with a glass globe surrounding the arc, securely fastened upon a closed base. No broken or cracited globes may be used. 3. Provided with a hand switch,...insulated from the circuit in all their exposed parts. Incandescent lamps in series circuits, having a maximum potential of 350 volts or over, must be governed... | |
 | Frank Eugene Kidder - 1892 - 1058 стор.
...switch that will shunt the current around the carbons should they fail to feed properly. (d) Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. (c) Must be carefully insulated from the circuit in all their exposed parts. (/) Must be provided with... | |
 | Charles M. Davis - 1893 - 162 стор.
...switch, that will shunt the current around the carbons should they fail to feed properly. d. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. e. Must be carefully insulated from the circuit in all their exposed parts. f. Must be provided with... | |
 | 1894 - 622 стор.
...switch, that will shunt the current around the carbons should they fall to feed properly. I. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. 5. Must be carefully Insulated from the circuit in all their exponed parts. 6. Must be, wbere Inflammable... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...comply with requirements for switches on hanger-boards as laid down in Section g of Rule 13. d. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. e. Must be carefully insulated from the circuit in all their exposed parts. f. Must be provided with... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...shunt the current around the carbons should they fail to feed properly. (See Definitions.) d. Must be provided with reliable stops to prevent Carbons from falling out in case the clamps become loose. e. Must be carefully insulated from the circuit in all their exposed parts. f. Must be provided with... | |
 | Russell Robb - 1896 - 208 стор.
...comply with requirements for switches on hanger-boards as laid down in Section g of Rule 13.] d. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. e. Must be carefully insulated from the circuit in all their exposed parts. / Must be provided with... | |
 | Earle Abbott Merrill - 1896 - 222 стор.
...shunt the current around the carbons should they fail to feed properly. (See Definitions). d. Must be provided with reliable stops to prevent carbons from falling out in case the clamps become loose. e. Must be carefully insulated from the circuit in all their exposed parts. /. Must be provided with... | |
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