Leviton® new GU-24 Series bi-pin twist-lock lampholders provide new alternatives for high efficacy lighting in residential and commercial applications. By creating a single, universal configuration, they provide a simple solution that can accommodate integrated-ballast compact fluorescent lamps in multiple wattages. And, most importantly, the GU-24 base lamps can be used in luminaires intended to comply with a host of recognized energy efficiency standards and regulatory mandates, such as ENERGY STAR and California Title 24.