amp
background
bill
business
charge
circuit
closeup
contemporary
control
counter
current
device
electric
electrical
electricity
electronic
energy
gage
gauge
gear
gearbox
grid
house
industrial
instrument
internal
kilowatt
light
measure
measurement
mechanical
meter
meters
monitor
panel
power
rate
readings
retro
scale
spin
technology
test
tool
use
utility
vintage
volt
voltage
watt