In Pennsylvania, only employers of seasonal farmworkers are required to provide breaks. These employers must give employees a 30-minute break after five hours of work, during which employees must be relieved of all duties. This time may be unpaid. All other Pennsylvania employers have no obligation to provide either meal or rest breaks.
Overview. 1  A cold cathode fluorescent lamp (CCFL) is a lighting system that uses two phenomena: electron discharge and fluorescence. CCFLs are mainly used as light sources for backlights, because they are smaller and have longer lifetimes than ordinary fluorescent lamps.
CCFL Overview. By far, the most commonly used LCD backlight technology employed today is CCFL with an. estimated market share of 93.5% of the LCDâTV market in 20081. CCFL backlights have very good. performance properties which include: good luminous intensity, high density (compact and light.