1.Clarifications to Table 48.1, Tests on Nonmetallic Materials, 2. Clarifications to Section 71, Production Line Pressure Test, 3. Proposed addition to clarify temperature measurement stability requirements, revisions to clarify the dielectric voltage-withstand potential for extra-low-voltage circuits, clarification of refrigerant designation marking requirements.
ANSI/UL 412-2012 history
2012ANSI/UL 412-2012 Standard for Safety for Refrigeration Unit Coolers