Total Home Power Surge Electric Panel Surge Protector plus the Spike-Ender brand coaxial cable suppressor Total Home Electric Power panel protector. Sycom's newest unit with automatic reset thermal fuse. Connect to any 220 (2 pole breaker) to protect every circuit in the home. Install on any electric main panel up to 400 amps. Eliminates multiple plug in outlet protectors. Even protects electric wiring between walls, etc.