background
cable
communication
concept
connect
connection
construction
danger
design
distribution
electric
electrical
electricity
element
energy
engineering
high
hightension
icon
illustration
industrial
industry
infrastructure
isolated
line
linear
logo
pillar
plant
pole
power
sign
silhouette
simple
single
steel
structure
supply
symbol
technology
telephone
tower
transmission
urban
utility
volt
voltage
watt
wire