GE Appliance Lightbulb Clear 40W. Specialty Bulbs. A15 Bulb Type. Medium Base. • Appliance lights from GE can be used in many household appliances such as microwaves, refrigerators and ovens. • They're specially designed to withstand high or low temperatures, and feature a rugged filament that resists vibration. • Be sure to check appliances for correct bulb wattage, voltage and base type. 800-GE-Light. Visit us: www.gelighting.com.