cable
circuit
connection
danger
development
diagonal
distribution
electric
electrical
electrician
electricity
energy
equipment
frame
glass
high
high up
high voltage
industrial
industry
infrastructure
insulation
insulator
iron
line
mast
metal
pole
post
power
power line
powerlines
pylon
single
steel
structure
substation
supply
tall
technology
tower
transformer
transmission
tungsten
volt
voltage
watt
wire