alternating current
background
blue
business
cable
connection
construction
copy space
current
danger
electric
electrical
electrician
electricity
energy
engineer
engineering
equipment
helmet
high
illustration
industrial
industry
install
job
line
maintenance
man
people
pole
post
power
professional
professions
safety
service
shadow
silhouette
sky
supply
technician
technology
tool
tower
transmission
volt
voltage
wire
work
worker