voltaic element
niger-congo
volt
voltage
voltaic cell
24-volt
6-volt
9-volt
alternating current
boxlike
central-office
electro-chemical
electro-magnetic
electrolytic
free-flowing
galvanic
high-tension
high-voltage
low-voltage
magneto-electric
night-alarm
photo-electric
photovoltaic
short-wave
stand-by
thermoelectric
ultraviolet