| National Electric Light Association. Convention - Electric lighting - 1892 - 458 pages
...to condensation within the pipes must be guarded against by sealing the upper end of the fixture. 6. No combination fixture in which the conductors are...inside pipe and the outside casing will be approved. 7. Each fixture must be tested for possible " contacts " between conductors and fixture, and for "... | |
| Earle Abbott Merrill - Electric lighting - 1892 - 188 pages
...to condensation within the pipes must be guarded against by sealing the upper end of the fixture. 6. No combination fixture in which the conductors are...inside pipe and the outside casing will be approved. 7. Each fixture must be tested for possible "contacts" between conductors and fixture, and for "short... | |
| Electrical engineering - 1894 - 620 pages
...to condensation within the pipes must be guarded against by sealing the upper end of the fixture. 6. No combination fixture in which the conductors are...Inside pipe and the outside casing will be approved. 7. Each fixture must be tested for possible "contacte" between conductors and fixture, and for "short-circuitĀ«... | |
| Arthur Vaughan Abbott - Electric conductors - 1895 - 646 pages
...to condensation within the pipes must be guarded against by sealing the upper end of the fixture. 6. No combination fixture in which the conductors are...inside pipe and the outside casing will be approved. 7. Each fixture must be tested for possible " contacts "' between conductors and fixture, and for "... | |
| Russell Robb - Electric wiring, Interior - 1896 - 208 pages
...fixture-work must have a waterproof insulation that is durable and not easily abraded, and must not in any case be smaller than No. 18 B. & S., No. 20 BWG, No....conductors and fixtures, for "short circuits," and for groundconnections before the fixture is connected to its supplyconductors. i. Ceiling-blocks of fixtures... | |
| George H. Kimber - Electric lighting, Incandescent - 1896 - 80 pages
...abraded, and must not in any case be smaller than No. 18 B. & S., No. 2o BWG , No. 2 ESG e. All burs or fins must be removed before the conductors are...than one-fourth inch between the inside pipe and the outsike casing will be approved. h. Each fixture must be tested for " contacts " between conductors... | |
| American Institute of Electrical Engineers - Electric engineering - 1897 - 708 pages
...ceiling. b. Must have all burs, or fins, removed before the conductors are drawn into the fixture. c. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. "if. No combination fixture in which the conductors are concealed in a space less than one-fourth inch... | |
| American Society of Mechanical Engineers - Mechanical engineering - 1898 - 1122 pages
...ceiling. t>. Must have all burs, or fins, removed before the conductors are drawn into the fixture. c. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. d. No combination fixture in which the conductors are concealed in a space less than one-fourth inch... | |
| Francis Bacon Crocker - Electric lighting - 1901 - 514 pages
...condensation within the pipes should be guarded against by sealing the upper end of the fixture. d. No combination fixture in which the conductors are...inside pipe and the outside casing will be approved. c. Must be tested for "contacts" between conductors and fixture, for "short circuits," and for ground... | |
| Horatio Alvah Foster - Electrical engineering - 1901 - 1018 pages
...celling. b. Must have all burs, or fins, removed before the conductois are drawn into the fixture. c. The tendency to condensation within the pipes should...guarded against by sealing the upper end of the fixture. d. No combination fixture in which the conductors are concealed in a space less than one-fourth inch... | |
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