blue
cable
cabling
catenary
clear
conjoin
connecting
connection
construction
contact
danger
dangle
day
detail
distribution
electric
electrical
electricity
electrified
energy
high
industry
light
line
nobody
outdoors
overhead
power
rail
railway
row
sky
steel
supply
supports
suspend
technology
telegraph
tower
train
transport
transportation
trolley
utility
volt
voltage
wire
wiring