box
building
cable
connecting
connection
construction
electric
electrical
electrician
electricity
equipment
fitter
fitting
fix
fixing
hand
home
house
industrial
installation
installer
installing
insulation
maintenance
male
man
out
power
professional
protection
protective
renovation
repair
repairman
screwdriver
service
serviceman
socket
supply
technology
tool
volt
voltage
wall
white
wire
work
worker
workman