PLC 13 Watt Warm White 3000K Compact Fluorescent Lamp ideal for applications where a compact energy saving and efficient light source is required. The 13 Watt output of this 4 Pin G24Q-1 lamp is the equivalent of a 40W incandescent bulb. PLC lamps are very popular lighting sources used as desk lamps emergency luminaries and fixture lamps. Like standard fluorescent tubes this lamp can only be used in luminaires with an appropriate lamp holder and ballast.