US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-45 — ELECTRIC POWER GENERATION, TRANSMISSION, AND DISTRIBUTION296-45-52545WAC 296-45-52545WAC 296-45-52545. Hydraulic fluidsLast amended: 2019Year: 2026Length: 16 wordsOfficial source Hydraulic fluids used for the insulated sections of equipment must provide insulation for the voltage involved.PreviousWAC 296-45-52540NextWAC 296-45-52550