Contacts in the lamp socket allow the electric current to pass through the base to the filament.

They tried it in a lamp socket and it got hot at once.

My friends looked over your room and found a Grand plugged away in a lamp socket.

When tungsten filaments were introduced, about 50 million lamp sockets existed in the US.

It was simply a flash bulb inserted in the lamp socket.

Nark plugged the power lead into an overhead lamp socket, and Bolan switched on the set.

Another adapter can make a wall outlet into a lamp holder (lamp socket).

I might as well have stuck my nose into a lamp socket!

Scrambling down the ladder, he screwed a plug and cord into a hanging lamp socket.

With a soft laugh, The Shadow extended one hand upward and grasped the wire above the lamp socket.