US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-150V — CONVERSION VENDOR UNITS AND MEDICAL UNITS296-150V-1550WAC 296-150V-1550WAC 296-150V-1550. What requirements apply to drain outlets?Last amended: 1999Year: 2026Length: 19 wordsOfficial source Drain outlets must be equipped with a watertight cap or plug that must be permanently attached to the unit.PreviousWAC 296-150V-1540NextWAC 296-150V-1560