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2. Test light - Wikipedia

   en.wikipedia.org/wiki/Test_light

   A test light, test lamp, voltage tester, or mains tester is a piece of electronic test equipment used to determine the presence of electricity in a piece of equipment under test. A test light is simpler and less costly than a measuring instrument such as a multimeter , and often suffices for checking for the presence of voltage on a conductor.

3. Continuity tester - Wikipedia

   en.wikipedia.org/wiki/Continuity_tester

   The indicator may be an electric light or a buzzer. [1] This led to the term "buzzing out a circuit" (which means to test for continuity) [3] Audible continuity buzzers or beepers are built into some models of multimeter, and the continuity setting is normally shared with the ohmmeter setting. A popular design has the tester combined with a ...

4. Electrical outlet tester - Wikipedia

   en.wikipedia.org/wiki/Electrical_outlet_tester

   A receptacle tester being used to check for some types of improper wiring of an outlet. For this particular tester, proper wiring is indicated by the two yellow lights. The outlet tester checks that each contact in the outlet appears to be connected to the correct wire in the building's electrical wiring. It can identify several common wiring ...

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6. Talk:Test light - Wikipedia

   en.wikipedia.org/wiki/Talk:Test_light

   Now this would make a good discussion in an article on test lights. Something like " In response to the concerns about the safety of test lights, the UK Health and Safety Executive require test lamps for use by electricians to be constructed with features described in Electrical Test Equipment For Use by Electricians GSE 38 (revised) [1 ...

7. Electronic test equipment - Wikipedia

   en.wikipedia.org/wiki/Electronic_test_equipment

   Electronic test equipment is used to create signals and capture responses from electronic devices under test (DUTs). In this way, the proper operation of the DUT can be proven or faults in the device can be traced. Use of electronic test equipment is essential to any serious work on electronics systems.