bright
cable
cables
color
danger
distribution
dusk
electric
electrical
electricity
energy
engineering
equipment
evening
facility
high
industrial
industry
infrastructure
line
lines
mains
metal
network
outdoors
plant
power
pylon
resource
sky
station
structure
substation
sundown
sunset
supply
supplying
technology
tower
transformer
transmission
twilight
unit
volt
voltage
wire
work