ammeter
black
blue
blurry
cable
check
closeup
color
colored
communication
connect
connection
construction
copper
danger
electric
electrical
electrician
electricity
electronic
energy
engineer
gloves
hand
industrial
installation
insulation
isolated
light
line
link
maintenance
multimeter
network
object
orange
protection
repair
repairman
safety
security
supply
telephone
tester
tool
voltmeter
white
wire
worker
workplace