Tertullus High End Duplex Receptacle 20 Amp 125/250 Volt Audiophile Electrical Wall Outlets,2-Pole,Grounding,Blue with Fixing Bracket (Gold Plated)

Material :99.998% Pure Copper Conductor (1.0mm) Conductor System | Connections: Set-screwwire Diameter: 4mm (set Screw) | Voltage Rating:20A 125V | Type : 2-pole + Earth | 4 Layer Plated Technology1.oxygen Free Copper Plated 2.silver Plated3.palladium Plated4.24k Gold-plated | Materials: Main Body: Nylon And Fiber Glass | Meterials :mount Frame - Copper.bracket:parts Set With 2.0mm-thick 99.998% Pure Copper Plate | Design For Hifi Audiophiles.the Copper Plates Sandwich The Electrical Wires Well When The Screws Are Tightened.recommend To Make The Connection To A Power Supply Box Through A Good Power Cable