RSS feed for this section

Archive | UL Recognized Components

The tanks of the UL Label world. These labels take a hit and keep on chugging.

The UL Database Test: Are Your Labels In Compliance?

Print Station

UL labels need to be provided by an authorized provider. But did you also know that there is more than one type of UL authorization…and that there really is no cross over between the different types? Yikes! Understandably these different types can lead to all sorts of compliance issues1. Well, thankfully UL offers a database tool […]

Three Quick Facts: UL 969 Labels

Nilpeter Printing Press

Want some UL knowledge, but don’t want to deal with my lengthy rantings? Boom…you’re welcome. There is an blog post over at that briefly touches on UL 969. It’s short, but oh so sweet. UL labels can get complicated1, but sometimes knowing a few key details can make a difference. This may not be the […]

A Tale of Two Thermals

Direct Thermal Labels

Direct thermal and thermal transfer both use heat for imaging, but only one is approved for UL 969 labels. Do you know the difference? Admittedly because they sound similar, they can be easily confused. But each process requires very different materials–there is no one material fits all approach. In addition, permanency of the image varies wildly between the […]

UL Recognized Core Labels


“Make sure you have your core labels,” says pretty much every UL Inspector ever. One of the biggest reasons UL 969 labels are rejected by a UL Inspector is the lack of core labels. But what exactly are core labels, and why are they so important? Let’s start with the why. Let me walk you through this this […]