amount
breaker
circuit
concept
consumer
control
counter
credit
debt
device
electric
electricity
electronic
equipment
flat
ground
grounding
home
house
icon
identify
illustration
indication
indicator
industrial
industry
isolated
lightning
measure
measurement
meter
money
motor
number
numeric
phase
pressure
save
sign
supply
symbol
system
technology
total
use
vector
white
wire
wiring
zero