Safety agencies.  Can’t live with them, can’t live without them.  UL, CSA, VDE, TUV, Nemco, Semco, Demco, CE, recognized, listed, licensed, certified, approved, etc., etc.  Ugh!  What does it all mean?  One article alone can’t answer every question, but let’s start with the basics. So, what are safety agencies, and what purpose do they serve?  […]