blue
cable
connection
construction
current
danger
dangerous
development
distribution
electric
electric pole
electric transformer
electrical
electricity
energy
engineering
equipment
generator
high
horizontal
industrial
industry
line
network
pole
post
power
power line
power station
pylon
repair
risk
safety
service
skill
sky
steel
structure
supply
technology
tower
transformer
transmission
urban
utility
vertical photo
voltage
wire
wires