These vertical power distribution units (pdu) are ul listed and are available in 4ft and 6ft lengths. They are ideal for use in both floor enclosures and open frame racks, and are designed with an extra long 15 ft. Power cable with a standard 120V AC plug. The 6 foot version Additionally has a built-in digital amp meter for monitoring and protecting against current overload. Both come standard with removable vertical mounting brackets and have a Black micro finish to match rack and enclosure color.