apprentice
apprenticeship
belt
board
breaker
caucasians
circuit
co workers
colleagues
construction
distribution
electric
electrical
electricians
electricity
experienced
fix
fixing
fuse
hard
hats
helmets
inexperienced
inspect
install
installation
installing
occupation
panelboard
power
repair
repairing
safety
supervise
supervising
supervision
supply
switch
system
tool
tools
trade
tradesmen
tradespeople
watch
watching
white
work
workers
working