blue
cable
cables
connection
current
danger
dangerous
direct
distribution
efficiency
electric
electrical
electricity
energy
engineering
equipment
generation
generator
heavy
high
industrial
industry
infrastructure
insulation
insulator
isolators
landscape
line
metal
network
plant
pole
power
production
sky
station
steel
strong
structure
substation
supply
switchgear
system
technology
tower
transformer
transmission
volt
voltage
wire