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The Faithfull Mains Tester Screwdriver (FHT-106) is a simple and effective tool for quickly checking for the presence of AC voltage. Featuring a neon indicator in the clear plastic handle, this tester illuminates when the tip makes contact with a live voltage source. Suitable for testing AC voltages from 100 to 250 volts against earth, it provides a visual confirmation of live circuits. Remember to always test the mains tester on a known live source before use to ensure the indicator bulb is functioning correctly. Important Note: The earthing position of the user significantly impacts whether the bulb illuminates; therefore, a non-illuminated bulb doesn't guarantee the absence of voltage.
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