ac
adapter
alternating
appliance
background
black
cable
connect
connection
connector
cord
current
cut out
dc
device
direct
electric
electric plug
electrical
electricity
electronic
energy
equipment
eur
experiment
horizontal
ideas
input
isolated
knot
line
loading
measure
outlet
plastic
plug
power
science
single
socket
supply
technique
technology
tool
unit
voltage
white
wire
wired