Premium protection for essential network workstations telecom systems point-of-sale equipment and audio/video systems the Tripp Lite IBAR4ULTRA Isobar 4 Outlet Surge Protector with Diagnostic LEDs features a network-grade surge protection rating of 3 330 Joules to defend your sensitive electronics against even the strongest surges and spikes. The IBAR4ULTRA features 4 widely spaced NEMA 5-15R outlets which are arranged in 2 exclusive isolated filter banks that prevent equipment connected to 1 bank from interfering with equipment connected to the other. These internal barriers also prevent disruptive line noise from causing A/V distortion computer lockups data errors and similar problems. Included safety covers protect against dust while blocking accidental contact with unused outlets. An integrated 12 amp circuit breaker protects all outlets and shuts down connected equipment in the event of an overload. A lighted on/off switch provides 1-touch control over connected components. Diagnostic LEDs confirm power protection and line fault status at a glance. And the 6 ft. power cord with right-angle NEMA 5-15P plug reaches nearby outlets and allows furniture to be placed flush against the wall.