Engineered for demanding applications in environments such as data centers and network closets, the CPS1220RMS 12-Outlet Rackbar Surge Protector helps safeguard systems and networking equipment by absorbing spikes in energy cause by storms and electrical power surges. Although it has a 1 RU form factor meant for racks in network environments, the CPS1220RMS functions well in home offices. It is equipped with 12 NEMA 5-20R surge-protected outlets (2 front and 10 rear) and provides 1800 joules of surge suppression, a maximum surge current of 90,000A, and a maximum surge voltage of 6000V. It also features a 120 VAC / 20A electrical capacity at 60 Hz, an integrated 15' power cord with a NEMA 5-20P plug, EMI/RFI noise filtration between 150 kHz and 150 MHz with attenuation up to 50 dB, clamping voltage of 400V (N-H, N-G) or 500V (L-G), a response time of 1 ns, and a durable metal housing. Depending on your needs, this item can be mounted horizontally or vertically. Additionally, three LEDs alert users as to the status of the unit's power, ground, and surge protection status.