Tripp Lite's 120V 15A metered PDU system with Automatic Transfer Switching (ATS) is an 8 outlet PDU with a digital display to indicate total PDU power consumption in amps. Outlets are sequentially turned on at 250 milliscond intervals when the PDU is first energized from an unpowered state to prevent inrush-related equipment interaction on startup. Supports 1U rackmount installation in a 2 or 4 post rack. Included are 8 NEMA 5-15R outlets and two 12 ft. 5-15P input power cord