POLISHED HIGH-TENSION SURFACES WITH HANGING-SILVER PLATING: Ensures the lowest distortion of any plated or clad material. Efficiently transfers signal-masking radio frequency noise toward your utilities transformer and Earth ground”far from your sensitive components. SIGNIFICANTLY GREATER METAL MASS FOR OPTIMUM CURRENT DELIVERY: No other AC outlet can boast such low impedance for optimum current delivery. This is not only limited to the receptacles retention blades, but also includes the critical ground, wire, and spade lug connections. BERYLLIUM-COPPER BASE METAL: Provides superior gripping strength and long-lasting, low-impedance AC power connections. Typical materials such as brass, or even high-purity copper aided by spring and wedge devices, simply cannot equal the unparalleled retention strength of high-mass beryllium-copper.