WHEN TO USE SHUNTED TOMBSTONE LAMPHOLDER OR NON-SHUNTED TOMBSTONE LAMPHOLDER
Our T8 G13 lampholders and T5 G5 lampholders all have shunted and non-shunted types. It's very important to make sure that the tombstone lampholder configuration matches with the type of lamp you will be using. As we reported before, the topic of how do I tell if my lamp sockets are shunted or non-shunted. Now for further comprehending, pls check the following table:
Well, in a word, we can get the conclusion:
1) LED tubes that work with existing T8 (T5) instant-start ballasts use shunted tombstones.
2) LED tubes that work with existing T8 (T5) programmed rapid start ballasts use non-shunted tombstones.
3) LED tubes that do NOT use a ballast work with non-shunted tombstones.
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