appliance
background
backup
buttons
cable
circle
coil
connect
control
cord
device
electric
electrical
electronic
energy
equipment
extender
extension
filter
hardware
household
housework
industrial
instrument
object
one
orange
outdoor
outlet
plastic
plug
power
protect
protection
push
reel
roll
safety
single
socket
supply
switch
technical
technology
tool
voltage
wire
wired
yellow