Other surge suppressors continue to let power through even after their circuits have been damaged. The Premium 8-Outlets Surge Suppressor is fail safe, which means that once the circuit of an it has been compromised the unit disconnects equipment from the power supply. Protection of data lines (Ethernet, Coaxial and Phone lines) ensures complete protection of your equipment from surges. A 180-degree rotating cord with strain relief offers flexibility in positioning the surge suppressor, and in routing the power cord. Now you can connect bulky transformer block plugs without covering up other outlets.