circuit tester

Definitions

Cars & Driving

  • noun a tool often similar in appearance to a screwdriver, with a light in the handle and a crocodile clip which can be attached to a suitable earth while the point touches the part or the wire which is to be tested; if the light comes on, the circuit is live at that point

Electronics

  • An instrument which tests the performance of a circuit. For instance, a continuity tester.
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