WARNING Make sure there is no power in your cable. TX25 screwdriver Open the enclosure. Remove inner door screws with a TX25 screwdriver and open the inner door. Unscrew one of the cable glands and push the power cable through. Connect the power cable to the power terminals at lower right of the component board. For more information, see Power terminals for AC power, Power terminals for DC power and External mains switch. Screw on the cable gland. Close the inner door and turn power on.