What is it!?!

This reduces high-voltage electricity to a lower voltage needed for the underground wires supplying power to homes. What is it?
If you have overhead electric service, you might find these helping to stabilize the utility pole. What are they?
This is the link between the external wires coming from the power lines and the internal electrical wires of the home’s electrical system. What is it?
These switches control the flow of electricity to a branch circuit in the house. What are they?
This can provide backup power in the event of a long-term power outage. What is it?
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