WiredCom® PC Power Supply Upgrade Manually Convert 24-Pin to 14-Pin Cable Main Board Adapter Cable for ATX Power Supply(20Cm) (Pack of 1)(Multicolor)

This is safe as the motherboard gets power from only one PSU. The second PSU provides power to the other components. Both PSUs start by pressing the on / off button of your Type: Main Board Adapter Cable Instruction: 24 Pin Female for ATX Power Supply,14 Pin Male for motherboard Length: 20cm Material: 18AWG Standard Wire
14 pin male connected to the motherboard, 24 pin female connected to the ATX power supply.
Plug and play, convenient and fast. Safety buckle on the plug to prevent accidental fall off.
Effective length: (20 cm). 1007 18AWG Tin-plated copper wire. Strong conductivity, corrosion and oxidation resistance.
The wire sheath is made of PVC, insulated, flame retardant and safer.