alternating
american
appliance
background
black
cable
closeup
connect
connected
connector
conservation
consumer
consumption
cord
current
details
double
edison
efficiency
electric
electrical
electricity
electronics
energy
equipment
expensive
green
grounded
high
home
house
household
indoor
insert
interior
isolated
light
line
low
macro
on
outlet
plug
plugged
power
powercord
socket
voltage
wall
white