UL 5B Standard for Strut-Type Channel Raceways and Fittings Fittings Wiring Devices Grounding and Bonding Sspecific Materials and Dimensional Limiis Corrosion Protection Zinc coating Nonmetallic coating Fixture Support Test Receptacle Secureness Test Security of Knockout Test Thickness of Zinc Coating Test Electrical Resistance Test Measured on individual pieces Measured across joints Faun Current Test Short […]