amount
appliance
art
capacity
charge
circuit
component
concept
connector
consumption
control
current
device
distribution
domestic
efficient
electric
electrical
electricity
energy
equipment
generation
generator
graphic
illustration
industrial
isolated
isometric
isometry
kilowatt
measure
meter
object
off
phase
portable
power
powerful
provide
resource
source
supply
switch
technical
technology
transfer
unit
voltage
watt