E12 Candelabra Base to E17 Intermediate Base Socket Enlarger. Use this light bulb socket adapter to enlarge your current E12 candelabra base lamp socket to an E17 intermediate base lamp socket. Utilize this new socket option to install E17 intermediate base light bulbs.
Please note: These adapters are not UL listed and are a convenience item. Under no circumstances is it recommended to use multiple socket adapters in a single socket application.