adjusting
cable
check
circuit
control
current
diagnosis
digital
electric
electrical
electrician
electricity
electronic
engineer
engineering
equipment
examination
fuse
hands
industrial
industry
installation
insulation
job
measure
measurement
multimeter
ohmmeter
power
professional
repair
repairman
resistance
standing
supply
technical
technician
technology
test
tester
tool
troubleshooting
voltmeter
wire
work
worker