220
alternating
apple
background
cable
closeup
color
concepts
connect
connection
connector
cord
current
detail
electric
electrical
electricity
electronic
energy
equipment
europe
extension
generation
image
industry
insert
isolated
join
line
nobody
object
outlet
pin
plastic
plug
power
prong
rubber
shape
single
socket
supply
technology
two
type
volt
voltage
white
wire
wired