What are the wires on a computer power supply?

For an LPX-style power supply (AT computers), there are two connectors: P8 and P9. Each has six pins, and you plug them into the motherboard so the black wires are together….Untangling the wires: Getting to know your power supply.

PIN PURPOSE
Pin 2 (Orange) +3.3V
Pin 3 (Black) Ground
Pin 4 (Red) +5V
Pin 5 (Black) Ground

What are the color of Power Good wire in PSU?

Grey
Template:ATX power connector

Color Signal Pin
Grey Power good 20
Purple +5 V standby 21
Yellow +12 V 22
Yellow +12 V 23

What color is 3.3 V wire?

As the image shows, the yellow, red, orange, white and blue wires correspond to 12V, 5V, 3.3V, -5V and -12V respectively. The other colors have different functionalities: The green wire or PWR ON is responsible for the start up, that’s why you connect it with a GND wire to start the power supply.

What color are 12V power supply connectors?

The red terminals are for the positive 3.3V, 5V and 12V connections; the black terminals are for ground.

What is black wire?

Here’s a rundown of electrical wires: The black wire is the “hot” wire, it carries the electricity from the breaker panel into the switch or light source. The white wire is the “neutral” wire, it takes any unused electricity and current and sends it back to the breaker panel.

What color is phase wire?

The color code for AC power wiring is similar to the code used in the United States: Phase 1 – Red. Phase 2 – Black. Phase 3 – Blue.

What is the color of the 12V power cable inside the computer?

Table 3.3 ATX Main Power Supply Connector Pinout (Wire Side View)

Color Signal Pin
Orange* +3.3V 11
Blue –12V 12
Black GND 13
Green PS_On 14