* Service line: This is the electrical line that runs from the power company's transformer to your home or business. The service line is typically made of copper or aluminum and is rated for the amount of electricity that your home or business requires.
* Meter: The meter is the device that measures how much electricity is being used by your home or business. Meters are typically calibrated to measure power in kilowatt-hours (kWh).
* Disconnect switch: The disconnect switch is a safety device that can be used to turn off the power to your home or business in case of an emergency.
* Grounding electrode: The grounding electrode is a metal rod that is buried in the ground. The grounding electrode helps to protect your home or business from electrical surges by providing a path for excess electrical current to escape.