What Type of Socket Do I Need (Shunted vs. Non-Shunted)?
https://www.sunco.com/blogs/sunco-blog/what-type-of-socket-do-i-need-shunted-vs-non-shunted
If your existing light fixture shows positive continuity when testing both contacts on a single socket (usually the meter will beep), there is power flowing between the two contacts, and this is a shunted tombstone. If there is no power between contacts, it is a non-shunted tombstone.
If your existing light fixture shows positive continuity when testing both contacts on a single socket (usually the meter will beep), there is power flowing between the two contacts, and this is a shunted tombstone.
If there is no power between contacts, it is a non-shunted tombstone.
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