by the Energy Saving Trust to identify lighting products that meet energy conservation and performance guidelines. The G24 (624Q2) and GU24 lamp fitting socket systems were designed to replace the traditional lamp sockets, so that incandescent bulbs are not installed in fixtures intended for energy efficient lamps only. Efficiency comparison See Also Fluorescent lamp List of plasma physics articles References External links CFL Bulb and Base Reference Guide Plug-In Plug-in CFL (PL Type) Lamps: Non-integrated Bulbs – cross reference listing of non-integrated CFL bulbs A technical description of a typical CFL circuit Energy-saving lighting Fluorescence Gas discharge lamps 20th-century inventions General Electric inventions