What does FM-approved transformer oil mean?

FM-approved transformer oil refers to insulation oil that has received certification from Factory Mutual (FM) Global, indicating that it meets specific fire safety and performance standards essential in electrical equipment applications. This type of transformer oil is designed to provide effective insulation, cooling, and fire suppression properties, minimizing risk in case of electrical faults. Utilizing FM-approved transformer oil ensures compliance with industry safety regulations and enhances the reliability and safety of transformer operations, making it a preferred choice for various electrical installations.