Why UL-Listed LED Fixtures Still Get Rejected in North American Projects — And How to Avoid It
LED driver requirements for North America: Why certified fixtures still get rejected? You have done everything right on paper. UL listing: passed. FCC Part 15B: passed. DOE energy reporting: filed. Then the tender comes back with a single line from the specifier: “Where is your DLC qualification? What are your Pst LM and SVM values? What is your power factor?”
