Computer Power Cable Wire Colors
Most desktop personal computer power supplies are a square metal box and have a large bundle of wires emerging from one end.
Computer power cable wire colors. These diagrams reflect the front view. However common practice per local electrical inspectors is for the first hot live or active wire to be black and the. Lastly the blue wire is for the negative data. Power cord color codes.
The us national electrical code for both ac and dc mandates that the grounded neutral conductor of a power system be white or grey. Ac power cord color codes explained. Hot active wires may be any other colors except these. The colors are shown here just for reference you won t see them from the front.
Instead of being the negative data the green wire in this cable is for the positive data. Just follow the twisted pair wires from the front case power switch reset switch. The orange wire is exactly like the red wire it has the five volts of direct current that s the passage for positive charge. Unlike the white wire from before the white wire in this cable is the ground wire.
Most modern desktop computers conform to the atx standard which supplies three positive rails. There may be a power switch and or a voltage selector switch. The colors in this chart represent recommended wire colors in the psu cables. See also my page on rewiring fender amps to grounded cords.
What is the wire color coding of atx computer power supplies. See the pinout diagram to the right. The protective ground must be bare green or green yellow striped. Opposite the wire bundle is the back face of the power supply with an air vent and an iec 60320 c14 connector to supply ac power.
Accordingly different atx style psu may use different number of power wires. Cord cutting reaches an all time high. 3 3v 5v and 12v. Brown hot blue neutral.
Black hot white neutral green ground if you use a computer power cord or other cord based on the international wiring color code. Computer power supplies psu convert ac to low voltage regulated dc power.