This white paper discusses the importance of safety-certified products in machinery safety applications. It explains that while it is possible to use standard components, safety-certified products offer advantages such as documented performance levels, diagnostic coverage capability, and third-party verification. The paper explains the differences between standard products, SRP/CS products, and products designed and sold as safety-rated products. Further, this highlights the importance of rod locks as an essential safety component. Regardless of the type of product chosen, it is the responsibility of the machine designer to ensure compliance with relevant standards and to validate the reliability of the control system.