EUROLITE Adapter GU-10 to E-14 is a passive lamp-base converter for adapting an E14 lampholder to a GU10 lamp, or vice versa, as indicated by the manufacturer’s listed bases. It is screwed into the lampholder before the lamp is installed. The adapter operates with 230 V AC at 50 Hz and supports lamps up to 60 W. It has a white housing, a height of 4 cm, a diameter of 3 cm and a weight of 0.01 kg.