Eaton 20 Amp NEMA 5-20R SurgeBlox Surge Protection Receptacle w/ Alarm, White features:

• Provides surge protection for hot to neutral, hot to ground and neutral to ground (L-N, L-G, N-G).
• Exclusive patented replaceable module restores expired surge protection without interruption of power or need to remove and rewire device.
• Audible alarm signals when surge protection has expired.
• Noise protection against EMI and RFI standard.
• High impact-resistant thermoplastic mounting strap.
• Automatic ground will ensure wallplate grounding in properly grounded metal enclosure.
• Standard 6-inch (152.4mm) leads, stripped 0.50 inches (12.7mm).
• Green LED indicators to verify surge protection and ground.