A lamp holder for receiving a lamp including a LED, the lamp holder including locking cams radially extending from a lamp base; a central heat conducting element; a lamp holder housing component that is attachable by fasteners at a light fixture component; a central cut-out for receiving the lamp base, wherein the cutout is enclosed by a lamp holder housing wall which is provided with insertion grooves which are oriented substantially perpendicular to the light fixture component; locking grooves respectively originating from the insertion grooves which locking grooves are oriented parallel to the light fixture component for receiving the locking cams extending from the lamp base; and at least one spring element, wherein the holder housing component including the locking grooves is liftable against a spring force of the at least one spring element through an insertion and rotation movement when inserting and locking the lamp.