What are the different types of ballasts?
Magnetic ballasts are the older ballast technology. For the fluorescent family, both T12 linear fluorescents and two-pin CFLs use magnetic ballasts. For HIDs, some metal halides and HPS lamps use magnetic ballasts. Magnetic ballasts are typically the culprit for buzzing and flickering because they regulate electricity incrementally.Your Complete Introduction to Lighting Ballasts,Imagine you're retrofitting an older building with lamps that provide more lumens than the original lamps did. If you were already getting plenty of light from the old system, you can run new lamps on a lower ballast factor, providing the same amount of light while saving money on energy. In a new construction setting, you may want to minimize the number of fixtures used. Ballasts with a high,Ballasted Roof System | Ballasted EPDM,Stone ballast is no longer allowed by many building codes. Pavers, however, are still acceptable. If roof weight isn’t a concern, and aesthetics are a priority, consider a ballasted roof. Just be warned that, over time, as leaks start to occur, it will be extremely difficult to find and patch them. Also be aware that, in some states, such as Rhode Island, installing a roof system with,