black
cable
construction
danger
development
distribution
electric
electric pylon
electric transmission line
electrical
electricity
energy
engineering
equipment
high
high voltage
illustration
industrial
industry
infrastructure
insulators
isolated
line
metal
metallic
network
outline
pole
power
power line
pylon
sign
silhouette
silhouette of power line and electric pylon
single
steel
stroke
structure
supply
tall
technology
tension
tower
transfer
transformer
transmission
volt
voltage
watt
wiring