Separates the Positive & Neutral Conductors of the Power Cord When Measuring AC Current;Built-in Receptacles for Voltage Testing;Provides Easy & Safe Measurement of Current while you can measure voltage at the same time.;Allows clamp meter to measure AC current on a 2-wire or 3-wire power cord, Direct measure or 10X Sensitivity;For Mearuring Current in Plug-In Appliances and Air Conditioners