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LED Lighting FAQ (Frequently Asked Questions) — LED Tubes

What is the difference between a shunted and non-shunted tombstone?

Posted by Sales Team on

Shoppers of ballast bypass LED Tube lights will often come across documentation in install guide specifying that the LED tube light must use a non-shunted tombstone.  Due to potential safety hazards of interacting with line voltage, (which can be as high as 277V in commercial applications), safety testing organizations such as UL have introduced standards to ensure that this product can be installed safely. The result is that most products in this category have to be installed with the line voltage input into one side of the tube.   Buy Thinklux Non-Shunted Rapid Start Tombstones for LED T8 Conversions -...

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Can I Use a T8 LED Tube in a T12 Fluorescent Fixture?

Posted by Sales Team on

Buyers of LED fluorescent replacement tube lights often ask if they can use a T8 sized LED tube in a T12 fixture. We cover most of the basics on how to choose LED tube lights for your application here but customers are often confused after purchasing when they receive an LED that is marked as T8. As we describe in our how to article, T8 and T12 feature the same G13 bi-pin connector. T8 tubes are simply 1 inch in diameter versus the 1.5 inch diameter of T12 tubes. In an effort to make LED tube lights compatible with the internal dimensions...

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