DC. • PSU power supply unit. A power supply also falls into the category of field replaceable unit (FRU), which refers to the typical parts a tech should carry, such as RAM & a floppy disk drive. Supplying AC • In the U.S., 115 volts AC (VAC) is standard. • Other countries use 230 VAC. – Most power supplies are dual-voltage & compatible with both. They may have a switch on the back to accommodate multiple countries. Outlet Voltages • Hot and neutral provide path for AC – Hot has 115 V – Neutral…
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