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Instant startIn some cases, a high voltage is applied directly: instant start fluorescent tubes simply use a high enough voltage to break down the gas and Mercury column and thereby start arc conduction. These tubes can be identified by a single pin at each end of the tube. The lampholders have a "disconnect" socket at the low-voltage end to prevent http://wiki.answers.com/wiki/Electric_shock. Low-cost lighting fixtures with an integrated electronic ballast use this mode on preheat-style lamps, even if it reduces the lamp lifespan.
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15y ago

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