Commercial Specification Grade Straight Blade Receptacles - 20A-125V, NEMA 5-20R. Engineered for safe, reliable performance, these UL 498 and Federal Specification WC-596 listed devices provide maximum durability in a wide variety of applications while providing installation efficiency to help finish the job on time.FEATURES:¦ Sturdy, compact design meets the demands of commercial spec grade performance.¦ Excellent plug blade retention provided by triple-wipe 0.032" (0.81mm) triple-wipe brass line contacts and 0.050" (1.27mm) brassground.¦ High impact and chemical-resistant nylon face.¦0.035" (0.889mm) galvanized steel, wraparound yoke mounting strap for superior assembly security; extra length/width helps reach large panel cutouts for Code Compliance.¦ Automatic grounding system eliminates need for bonding jumper in grounded metal enclosure, provides redundant measure of ground continuity where jumper used.¦ Screw-Catch™ feature on duplex devices speeds mounting of wallplates.