Choosing panel components often comes down to “What’s the lowest-cost device that meets all application requirements?” Some OEMs and panel builders answer incorrectly without a good understanding of the differences between UL 98 and UL 508.

Builders and buyers of motor control centers (MCCs) rely on standards, notably UL 845, to ensure panel safety and functionality. This article provides insights and tips to help you better understand key elements of those standards.

Transformers are a foundational component in almost every panel. While it’s a fairly straightforward device, there are probably some things you don’t know about how it works and how you should select your supplier.