Armacost Lighting 810301 840600 30-Watt 12-Volt DC LED Lighting Power Supply Includes 60 in. AC cord with plug for use in a standard 120-Volt AC outlet For professional installation, unit can easily be direct wired with built-in Terminal block connections Features automatic shut-off in case of Lighting overload, open circuit, short circuit, over temperature or other fault Easily mounts to surfaces using mounting tabs, screws provided Not for use with 120-Volt AC dimmer switches, use with only Armacost Lighting 12-volt DC LED dimmers