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 Circuit Tasl