C2G/Cables to Go 29072 6 Outlet Metal Surge Suppressor with Horizontal Plugs Protects against a 6000 Volt, 13,500 Amp surge; indoor use only Protect your electronics investment without breaking your budget. This surge suppressor guards against damaging spikes and surges, providing a secure barrier for your sensitive electrical equipment and precious data. Line Protection: 3 lines (hot neutral ground) Line Protection: 3 lines (hot neutral ground) Indicators: Power LED