i found a youtube video of this how often do you get wires like this? what other types of wires do you guys typically get that is bigger than romex?
i found a youtube video of this how often do you get wires like this? what other types of wires do you guys typically get that is bigger than romex?
The utility supplies power on aluminium lines then requires the building owner to use copper leading to the meter and supply panel. The white, blue and red plastic sheaves on the ends of to help the electrician identify each phase of a 3 phase circuit.
Earth aka ground would have been bare bright copper.
Commercial building that uses three phase power.
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