The adherence to international standards such as IEC 60601-1 and ANSI AAMI ES60601-1 plays a pivotal role in ensuring the reliability and safety of these devices. Among the various electrical aspects covered by these standards, leakage current testing holds a crucial place, aiming to assess the safety of electrical insulation, grounding, and resistance to electrical stress. In this article, we explore the significance of leakage current testing, the relevance of the 60601-1 standards, and why Sigma Scientific stands out as a preferred choice for these critical assessments.