This revision to ANSI/UL 8750 includes the following changes in requirements:
• Revise definition for dead conductive part
• Revise risk of electric shock definition
• Allowance for LED drivers to comply with UL 935
• Remove restriction requiring epoxy material for potting compound in 6.6.1
• Clarify requirements for asphalt potting compounds
• Add exception to 7.1.2 to allow gold or aluminum conductive materials on trace conductors and electrical connections
• Revise 7.3.4 to include provisions for solder connections using solder reflow method
• Add additional wire types for power limited circuit wiring
• Add requirements for transformer or coil insulation systems that operate above Class 105(A) limits
• Clarify requirements for Class 2 output circuits
• Revise Table 8.1 to include temperature limits for switches, terminal blocks, connectors and other discrete devices
• Revise requirements involving cheesecloth to include fire indicator material
• Revise requirements for leakage current measurement test in Section 8.7
• Environmental tests and Class 2 applications
• Marking provisions
• Revise coil insulation requirements to allow triple insulated wiring in transformers/inductors
• Add test oven specification for temperature test
• Miscellaneous and minor proposed revisions to clarify original requirements