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Klein Tools ET40 is an Electronic AC/DC Voltage Tester. This device effectively tests AC voltages from twelve to two hundred forty volts and DC voltages starting from one point five volts. It is designed for use in residential settings, making it ideal for checking and troubleshooting electrical outlets, light fixtures, and doorbells.
This voltage tester features indicators for positive and negative DC polarity. It also includes bright LEDs to indicate the type and level of voltage detected. The tester automatically powers off after approximately two minutes of inactivity to extend battery life.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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