alternating current
black
blue
cable
construction
danger
electric
electrical
electricity
electricity substation
energy
engineering
environment
equipment
generator
grid
high
horizon
industrial
industry
line
metal
plant
pole
power
powerline
rays
sky
station
steel
structure
substation
sun
sunlight
sunrise
sunset
supply
tall
technology
tower
transformer
transmission
tree
voltage
watts riot
wire