Monoprice Recessed Low Voltage Mid-Size Plate with 20 Amp Duplex Receptacle, White Manage your power and signal cables behind your flat screen TV using this Recessed Low Voltage Mid-Size Plate with Duplex Surge Suppressor from Monoprice! This commercial grade wall plate features a tamper-resistant, NEMA 5-20 duplex power receptacle, which is rated for 20 amps and 125 VAC. The kit includes a steel outlet box with eight knockouts for conduit or armored cable installations. The low-voltage section features a flexible opening, which allows you to route your low-voltage signal cables, while effectively hiding the opening in the wall. This plate includes metal mounting wings, so you can attach it directly to drywall without requiring the use of a separate low-voltage mounting bracket.