Texaco transformer oil is primarily used as an insulating and cooling medium for electrical transformers, helping to dissipate heat generated during operation while providing electrical insulation to prevent arcing and faults. Its unique formulation enhances performance by mitigating oxidation and moisture absorption, thus extending the life of transformers. Additionally, Texaco transformer oil is essential for protecting electrical components from corrosion and ensuring efficient energy transfer, making it indispensable in power generation and distribution applications.