animal
bird
black
blue
branch
cable
charge
chick
conductor
current
danger
distribution
electrical
electricity
electrics
energy
engineering
environment
feather
flying
framework
generation
grid
head
high
horizontal
industrial
industry
insulators
kilowatts
lines
megawatts
metal
nature
neck
nest
network
parallel
park
pillar
pole
post
power
pylon
rural
sky
spring
stork
supply
symmetry
tall
technology
tension
tower
transmission
voltage
water
watts
white
wildlife
wing
wires
wiring