- Non-Dimming Electronic CFL Ballasts use electronic circuitry to help start and operate compact fluorescent lamps, and help eliminate the flickering and humming sometimes associated with CFLs. Rapid-Start Ballasts require nonshunted sockets. Great with frequent On/Off switching cycles. Programmed-Start Ballasts use a premium starting method that extends lamp life in frequent switching applications. Require nonshunted sockets. Instant-Start Ballasts tend to come with factory-installed shunted sockets. Great for use when maximum energy savings are desired and when lamps are not switched frequently during normal operations.
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