Amp Clamp

multimeter amp clamp


An amp clamp is an electronic device with current clamps that have opening and closing jaws. These jaws can be placed around a wire (conductor) where a magnetic loop is formed, used to measure amperage.


Current clamp, Clamp-on ammeter, Tong tester

Using a Clamp Meter to Measure Amps

To see an amp clamp in action, check out a couple of our video blogs:

AC Maintenance: Fan & Motor Volts & Amps

AC Maintenance: Fan and Motor

Related Terms

Expansion Valve

Expansion Valve

Controls how much refrigerant is allowed to flow into the evaporator coil



Common type of refrigeration used in older home AC systems



Brand name for a type of refrigerant used in air conditioning systems

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