RPS E-27 base to 2 pin Quartz Lamp Adapters Adapter allows the use of 2 pin quartz lamps in a standard E-27 screw-in base. For use in ceramic lamp sockets designed for lamps or bulbs up to 650 watts. Warning !!! The halogen bulb can deliver more consistent light than the tungsten filament type bulb. But much hotter. HANDLE WITH CARE Use these adapters on ceramic type lamp sockets only. Other type of lamp sockets may not withstand the heat from the bulb and it may cause a fire hazard or short circuit. Make sure that the lamp socket switch and cable is rated for the lamp voltage and wattage. ALWAYS HANDLE THE KIT WITH THE POWER OFF! NEVER HANDLE THE QUARTZ HALOGEN BULB WITH BARE FINGERS AS IT WILL DAMAGE THE QUARTZ TUBE. SKU RPS-RS-3999 WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov