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2. Test light - Wikipedia

   en.wikipedia.org/wiki/Test_light

   A voltage tester with three lamps to give an approximate indication of voltage magnitude. The test light is an electric lamp connected with one or two insulated wire leads. [1] Often, it takes the form of a screwdriver with the lamp connected between the tip of the screwdriver and a single lead that projects out the back of the screwdriver. By ...

3. Category:Electrical test equipment - Wikipedia

   en.wikipedia.org/wiki/Category:Electrical_test...

   Continuity tester; Coulombmeter; Current clamp; E. Electrostatic fieldmeter; G. ... Test light This page was last edited on 30 December 2013, at 06:07 (UTC). ...

4. Talk:Test light - Wikipedia

   en.wikipedia.org/wiki/Talk:Test_light

   1 Proposed merge from Electrical tester pen. 16 comments. 2 ... 3 Merged. 1 comment. 4 Unsourced neon test light hazards. 1 comment. 5 Vintage test light. 1 comment ...

5. 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.

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   mail.aol.com

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7. Solenoid voltmeter - Wikipedia

   en.wikipedia.org/wiki/Solenoid_voltmeter

   Some manufacturers include a continuity test lamp function in a solenoid meter; these use the same probes as the voltage test function. This feature is useful when testing the status of contacts in energized circuits. The continuity light displays if the contact is closed, and the solenoid voltmeter shows voltage presence if open (and energized).

8. 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 ...

9. Maddox rod - Wikipedia

   en.wikipedia.org/wiki/Maddox_rod

   The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens, which refracts light rays so that a point source of light is seen as a line or streak of light. [2] Due to the optical properties, the streak of light is seen perpendicular to the axis of the cylinder.