This PL EDGE SERIES PLL lamp has been designed and engineered for demanding commercial applications. This plug and play direct replacement lamp is compatible with Instant Start and Programmed Start Ballasts and requires no rewiring during installation. This 0-10V dimmable lamps innovative wide beam design and compact light engine produce a 280 light emitting area. This lamp is also suitable for use in totally enclosed fixtures. Simply install in your existing fixture and turn ON the savings.