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2. Multimeter - Wikipedia

   en.wikipedia.org/wiki/Multimeter

   Analog multimeter Digital multimeter. A multimeter (also known as a volt-ohm-milliammeter, volt-ohmmeter or VOM) [1] is a measuring instrument that can measure multiple electrical properties. [2] [3] A typical multimeter can measure voltage, resistance, and current, [4] in which case can be used as a voltmeter, ohmmeter, and ammeter.

3. Test probe - Wikipedia

   en.wikipedia.org/wiki/Test_probe

   Test leads are usually made with finely stranded wire to keep them flexible, of wire gauges sufficient to conduct a few amperes of electric current. The insulation is chosen to be both flexible and have a breakdown voltage higher than the voltmeter's maximum input voltage.

4. Lead (electronics) - Wikipedia

   en.wikipedia.org/wiki/Lead_(electronics)

   Leads are used for many purposes, including: transfer of power; testing of an electrical circuit to see if it is working, using a test light or a multimeter; transmitting information, as when the leads from an electrocardiograph are attached to a person's body to transmit information about their heart rhythm; and sometimes to act as a heatsink.

5. Banana connector - Wikipedia

   en.wikipedia.org/wiki/Banana_connector

   In this design, the metal banana plug is entirely sheathed in a plastic tube and inserts into a deeply recessed jack in the multimeter. Alternatively, the equipment may use a deeply recessed male banana plug, while the test lead uses a sheathed banana jack. Additionally, the test lead wire must be made with insulation rated for higher voltages.

6. Continuity tester - Wikipedia

   en.wikipedia.org/wiki/Continuity_tester

   The tester consists of an indicator in series with a source of electrical power - normally a battery, terminating in two test leads. [1] [2] If a complete circuit is established between the test-leads, the indicator is activated. [2] The indicator may be an electric light or a buzzer. [1]

7. Four-terminal sensing - Wikipedia

   en.wikipedia.org/wiki/Four-terminal_sensing

   Four-point measurement of resistance between voltage sense connections 2 and 3. Current is supplied via force connections 1 and 4. In electrical engineering, four-terminal sensing (4T sensing), 4-wire sensing, or 4-point probes method is an electrical impedance measuring technique that uses separate pairs of current-carrying and voltage-sensing electrodes to make more accurate measurements ...