UL 5C Standard for Surface Raceways and Fittings for Use with Data, Signal, and Control CircuitsKnockoutsMountingCoversSecurity of Knockout and Break-Away Tab TestMold Stress TestCrush TestImpact TestFlammabilityTestVW-1 (vertical wire) flame test/ASTM D 2671 Method C (modified)Hinge Cycling Test UL 5C Standard for Surface Raceways and Fittings for Use with Data, Signal, and Control Circuits