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and widely used example is the inductive ballast used in fluorescent lamps to limit the current through the tube, which would otherwise rise to a destructive...24 KB (3,008 words) - 16:27, 26 May 2024
Fluorescent lamp (redirect from Fluorescent tube)rather than a ballast). The lamp holders have a "disconnect" socket at the low-voltage end which disconnects the ballast when the tube is removed, to...96 KB (11,323 words) - 12:52, 6 August 2024
magnetic ballasts, but models that can be installed in any old fluorescent tube luminaire are also available on the market. In some Retro-Fit LED tubes, a special...18 KB (2,408 words) - 18:47, 4 June 2024
AC/DC receiver design (section Series tube heaters)heating power requirements. If necessary, resistance (which can be a ballast tube (barretter), a power resistor or a resistive mains lead are added so...17 KB (2,193 words) - 02:02, 15 June 2024
A vacuum tube, electron tube, valve (British usage), or tube (North America) is a device that controls electric current flow in a high vacuum between...119 KB (15,354 words) - 20:54, 4 August 2024
resistor or line ballast tube was needed to drop the remaining 35–42 volts. If a ballast tube was used, the radio would be marketed as a "6-tube" radio even...20 KB (2,881 words) - 14:53, 9 April 2024
Mercury-vapor lamp (redirect from Mercury-vapor discharge tube)arc tube both to act as a resistive ballast and add full spectrum light to that of the arc tube. Self-ballasted mercury vapor lamps can be screwed into...23 KB (2,776 words) - 23:04, 30 July 2024
Fluorescent-lamp formats (section Tube designations)series ballast but with a different gas fill and operating voltage, the tube operated at only 100 W. Increased efficiency meant that the tube produced...22 KB (1,429 words) - 03:51, 28 January 2024- the water ballast was pumped out and the process was repeated for the next segment. Including the approaches at each end, the Posey Tube is 4,436 feet...27 KB (2,806 words) - 12:10, 27 May 2024
extinguished, the lamp cools down again, the gas pressure in the arc tube is reduced, and the ballast can once again cause the arc to strike. The effect of this...27 KB (3,190 words) - 21:10, 3 August 2024
Metal-halide lamp (section Ballasts)the arc tube to be made sufficiently long and simple electrical ballasts to be used. A noble gas, usually argon, is cold filled into the arc tube at a pressure...23 KB (2,970 words) - 20:56, 24 June 2024
and subsequent letters: system type <none> or R – Resistive element (ballast tube, barretter, photoresistor) A – Small signal diode B – Dual small signal...329 KB (40,580 words) - 17:54, 4 August 2024
bulbs. The lamps use a tube that is curved or folded to fit into the space of an incandescent bulb, and a compact electronic ballast in the base of the lamp...77 KB (8,200 words) - 18:37, 4 August 2024
Tanning lamp (redirect from Tanning tube)environment inside the lamp. Fluorescent tanning lamps require an electrical ballast to limit the amount of current going through the lamp. While the resistance...17 KB (2,422 words) - 07:55, 11 February 2024
The Transbay Tube is an underwater rail tunnel that carries Bay Area Rapid Transit's four transbay lines under San Francisco Bay between the cities of...72 KB (8,546 words) - 18:21, 2 August 2024
fluorescent lamp and the ballast will be switched in series to the supply voltage. The current through the filaments of the tube heats them up and emit...5 KB (636 words) - 02:56, 30 January 2024
extinguished, the lamp cools down again, the gas pressure in the arc tube is reduced, and the ballast can once again cause the arc to strike. The effect of this...18 KB (2,130 words) - 21:14, 18 April 2024
fluorescent lamp but the tube contains no fluorescent phosphor. In addition, rather than being made of ordinary borosilicate glass, the tube is made of fused...8 KB (988 words) - 04:05, 12 July 2024
Caisson (engineering) (redirect from Muck tube)[citation needed] A caisson is sunk by self-weight, concrete or water ballast placed on top, or by hydraulic jacks. The leading edge (or cutting shoe)...14 KB (1,740 words) - 08:07, 24 July 2024
- "I then resolved to go into the question boldly, and at once put the ballast on one side, if it were not a case of absolute necessity as to the breaking
- poets are ascetics, monks and priests. They despise the flesh and all ballast. This world holds no enchantment for them.. .Poetry for them is the ultimate
- a lamp in a ballast intended for a different type of lamp. For instance, MH conversion for HPS ballasts and HPS conversion to MH ballasts. Additionally