Testers are one of the simplest solutions, used to test current and voltage continuity in any circuit. Indispensible for any electrician, the testers are very simple and interesting devices. This article will explore the internal structure of one such commonly used circuit tester.
Neon Bulb Assembly
The metallic rod is placed on the line upon which voltage has to be tested. Additionally, it serves the purpose of a screwdriver for general purpose use. In this way a very simple electrical circuit is used for debugging circuit breaks and tests their continuity.
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