blue
cable
circuit
current
danger
dangerous
distribution
efficiency
electric
electrical
electricity
energy
engineering
equipment
generation
generator
grid
high
industrial
industry
infrastructure
innovation
insulation
insulator
line
metal
network
plant
pole
power
production
pylon
solar
station
steel
structure
substation
supply
switch
system
technology
tower
transformator
transformer
transmission
volt
voltage
warning
wire