This document provides monitoring guidance and procedures that are required for the use and maintenance of mineral insulating oils and other hydrocarbon-based liquids in transformers and other electrical equipment, including strategic spares and tanks for holding spare parts and components.
This document is applicable to mineral insulating oils, originally supplied conforming to IEC 60296. in transtformers, swichgear and other electrical apparatus where oil sampling is reasonably practicable, and where the normal operating conditions specified in the equipment specilications apply.
