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Alternating Current (AC) |
Electric current in which the flow of electric charge reverses direction at regular intervals. |
| Amps (A) | Standard Unit of Measurement of electric current. |
| Direct Current | Electrical current that flows in only one direction without cycling. DC current is most commonly used with batteries and PV cells. |
| Driver | Electrical or electronic circuit that controls other components. In LED Lighting Systems, the driver regulates the power to the LEDs. |
| Voltage | Potential Difference in charge between two points in an electrical field. Measured in Volts (V). |
| Voltage Drop | Loss of voltage caused by resistance. Voltage Drops can be created by too long or too thin wire. |
| Transformer | An electrical device that transfers electricity from one voltage to another. Step‐down transformers take a higher voltage to a lower voltage. Step‐up transformers take lower voltage to a higher voltage. |
| Hertz (Hz) | The standard unit of measurement for frequency. One Hz equals one cycle per second. |
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