| In the past, dimming fluorescent ballasts were expensive and bulky, and required complex dimming circuits. |
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| When replacing standard fluorescents with efficient T8 lamps, it is necessary to replace the existing ballasts with electronics ballasts. |
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| Use 4-foot fluorescent fixtures with reflective backing and electronic ballasts for your workroom, garage, and laundry areas. |
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| To save time, the decision was made to simply replace lamps and ballasts on a one-for-one basis. |
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| Electrical burnout of fluorescent lighting ballasts causes the heating and. volatilization of an asphalt potting-compound inside the ballast. |
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| Most dimming electronic ballasts can reduce light output to as little as 20 percent of maximum. |
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| First, he and his staff replaced 90 percent of older, inefficient lights with electronic ballasts and T8 lamps. |
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| New generations of electronic ballasts have overcome many of the problems associated with early designs. |
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| Along with the EMCS, the renovation introduced energy-efficient task lighting and electronic ballasts for all workstation lighting. |
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| Many loads are highly inductive, such a lightly loaded motors and illumination transformers and ballasts. |
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| In contrast, electronic ballasts account for only 2 or 3 percent of the fixture's energy use. |
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| With high-intensity-discharge lamps, electronic ballasts are just becoming common. |
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| Elsewhere, some are just starting to replace T12s with T8s and electronic ballasts. |
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| Lighting level controls are gaining in use as more facility managers become aware of the availability of dimming electronic ballasts. |
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| Some dimmable or multilevel electronic ballasts may be activated by PLC signals to cut lighting levels to minimally acceptable levels. |
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| Using dimmable ballasts that listen for control signals coming through existing power wiring, light levels are controlled by a power-line-carrier system. |
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| These include high-intensity discharge lights, compressors in refrigerated drinking fountains, ballasts in fluorescent lights and transformers in exit signs. |
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| The unit measures approximately 30 inches by 24 inches by 7 inches externally and contains twelve 24 inch black light fluorescent tubes and 6 ballasts. |
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| According to Consumer Reports, magnetic ballasts are the best energy savers, averaging 15,000 hours. |
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| The simplest ballasts are just an inductor, and are chosen where cost is the deciding factor, such as street lighting. |
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| Each fluorescent troffer in the room contained three lamps and two ballasts. |
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| Many utility programs offer generous rebates for replacing inefficient lighting elements, including fixtures, ballasts and bulbs. |
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| Thirty-plus-year-old magnetic ballasts with PCBs leaked in school buildings in New York City and the states of Washington, Massachusetts and others causing hazmat conditions. |
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| Helix replaced outside lighting fixtures, which included pole and wall-mounted wall fixtures, contactors, ballasts and photocells for automatic controls. |
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