background
black
blue
cable
communication
connection
current
danger
distribution
electric
electrical
electricity
energy
engineering
environment
grid
high
industrial
industry
infrastructure
isolated
line
lines
mast
mess
messy
network
phone
pole
post
power
pylon
silhouette
sky
steel
structure
supply
technology
telephone
transmission
transmit
urban
utilities
utility
vertical
volt
voltage
white
wire
wires