cable
circuit
connection
construction
current
danger
dangerous
dielectric
distribution
efficiency
electric
electrical
electricity
energy
engineering
equipment
facility
factory
generation
generator
high
high voltage
horizontal
industrial
industry
infrastructure
insulation
insulator
line
metal
network
plant
pole
power
production
sky
station
steel
structure
substation
supply
switch
system
technology
tower
transformer
transmission
voltage
watt
wire