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2019/01/25 at 6:28 am #19927
A clamp meter is an electrical test tool that combines a basic digital multimeter with a current sensor. Clamps measure current. Probes measure voltage. Having a hinged jaw integrated into an electrical meter allows technicians to clamp the jaws around a wire, cable or another conductor at any point in an electrical system, then measure current in that circuit without disconnecting/de-energizing it.