Abstract: This disclosure pertains to quick insertion type lamp sockets. The sockets are for supporting light bulbs having a circular base with retention pins radially projecting from either side of the circular base. One type of bulb which the present socket can receive and support has diametrically opposed and axially aligned pins radially projecting on its circular base. A second type of bulb which the present socket can receive and support has diametrically opposed and axially offset pins on its circular base. The base of the subject socket has opening means located and configured so as to positively engage and axially restrain both pins of either the first or second bulb type.