Visit: http://www.leviton.com/wholehousesurge
To some, whole house surge protection is achieved simply by installing a surge protective breaker or panel at the home's main breaker load center(s). However, true whole house surge protection requires surge protective devices at various levels within the home to provide the most reliable protection - a surge protection network if you will.
UL - a global independent safety company that tests for and certifies product safety - has categorized surge protective devices into various Types to indicate their specific performance characteristics and areas of usage. A true whole house surge protection network requires three Types of surge protective devices to effectively protect sensitive electrical and electronic equipment from the damaging effects of voltage surges.
Visit: http://www.leviton.com/wholehousesurge