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barbed
breaker
cables
caution
chain link
charge
circuit
conductors
conversion
current
danger
dangerous
distribution
electric
electrical
electricity
energy
facility
fence
generation
grid
hazard
hazardous
high
high voltage
industrial
industry
insulation
line
network
plant
power
powerlines
precaution
risk
safety
sign
signal
station
structure
supply
symbol
tension
transformer
transmission
unit
voltage
warning
wire