ampere
amperemeter
art
background
box
cabinet
cable
contour
control
danger
design
digital
electric
electrical
electricity
electronic
enclosure
energy
equipment
high
icon
illustration
industrial
industry
instrument
isolated
line
linear
lineart
measurement
metal
meter
multimeter
object
outline
overhead
panel
power
sign
street
supply
technology
tester
tool
tower
transmission
voltage
voltmeter
wire
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