The ISOTEL6ULTRA 6-Outlet Isobar Surge Suppressor from Tripp Lite offers 6 outlets arranged in three filter banks to prevent system crashes, reboots and performance problems common when noisy system peripherals are powered off and on. Offering surge suppression rated at 2850 joules / 92,000 amps, its widely spaced NEMA 5-15R outlets accommodate up to 4 large transformer plugs without blocking outlets. A pair of RJ-11 jacks offers dual phone line surge suppression for modems, fax machines and cordless phones. The diagnostic LEDs confirm power availability, line fault and protection status. This surge suppressor comes with 6 ft AC line cord with space-saving angled input plug, keyhole mounting tabs and a set of 4 child safety covers.