A PC Power Supply Supplies power throughout the computer. Power supplies convert potentially lethal 110-115 or 220-230 volt alternating current (AC) into a steady low-voltage direct current (DC) usable by the computer. A power supply is rated by the number of watts it generates.

Advisory Warning: A person who hasn't been trained properly should never open a power supply, it contains capacitors which can hold electricity for months. If you touch one of the capacitors in your power supply you can die. If you do open it, Which is not recommended, take all precautions and ensure you work with one arm behind your back to direct the electricity away from the heart. Also ensure that you have no jewelry on (such as a watch or rings). However, again, This is not Recommended, and still cannot protect you 100% and is still potentially dangerous. Because of these precautions, no extensive information will be found on this page about opening power supplies.

Power Supply Connectors

The Power supply connector to the right is called a Moex connector. It come in a larger size and a smaller size. The smaller size was commonly used for power floppy drives whereas the larger is used for powering DVD-Drives, CD-drives and hradrives. The Molex Connector to the righe is a female plug.
Each wire in the connection serves a purpose in powering your computer. See the list below for information about each wire.