alternating
architecture
background
blue
braces
cable
circuit
coil
communication
component
conductor
connection
conservation
core
current
deadens
drainage
electric
electric pole
electric wire
electrical
electrician
electricity
energy
equipment
high
induction
industrial
lateral
metal
modern
network
outdoors
phase
piping
plug
pole
power
residence
rotor
technology
three
threephase
tower
transmission
volt
voltage
winding
wire
wiring