The
LH0032 Vossloh Schwabe 545849 lamp holder socket is a non-shunted, G13 medium bipin tombstone socket that is compatible with T8-T12 fluorescents. It has a 23mm lamp axis, cULus, 660w-600v, RoHS, no locator pin-stop, and quick connect terminals. It is made of polycarbonate and has a snap-in mounting style.
Link to T8,T10,T12,lamps that fit this socket