"sockets" - key terms from Wikipedia

ac power plugs and sockets
berkeley sockets
bsd sockets
datagram sockets
dip sockets
hip sockets	faced
impact sockets
plugs and sockets
power plugs and sockets
scart sockets
schuko sockets
secure sockets	layer
smart sockets
sockets
sockets	and plugs
sockets	pf
sticking fingers into sockets
these sockets
type b sockets
wall sockets
windows sockets
windows sockets	api