What does voltage drop refer to?

Voltage drop refers to the reduction of voltage that occurs when electrical energy is transmitted along a conductor from a power source to a load. This phenomenon is crucial in electrical systems, as it can impact the performance and efficiency of the connected devices.

As electricity travels through conductors, it encounters resistance, which causes some of the electrical energy to be converted into heat and results in a decrease in voltage by the time the current reaches the load. This drop can affect how well the devices operate, making it an important consideration in electrical design and troubleshooting.

Understanding voltage drop is essential for ensuring that electrical systems are adequately designed to supply the necessary voltage to loads, especially in longer runs of wire. Proper calculations can help minimize voltage drop, thus maintaining the efficiency and functionality of the system.