This video illustrates how to use the Non Contact Voltage Detector (NCV) using the Mestek AC20 voltage detector. It's high sensitivity setting is particularly useful for detecting voltage on covered conductors, outlets, switches, and junction boxes. The electric field generated by energized conductors in these situations are reduced due to barriers and may not be detected at normal sensitivity. Always check the unit on a known live source before & after use to ensure proper operation. If you liked this please give it a thumbs up and subscribe. Thank you. Stay safe.
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Disclaimer: The author recommends that electrical works be done only by licensed electrical practitioners who know the risks of their trade and are able to work safely.
