Industrial Specification Grade Straight Blade Receptacles - Watertight Receptacles Special Use Industrial Grade 15A-250V, NEMA 6-15R. Listed to UL 498, Arrow Hart Watertight Straight Blade receptacles utilize advanced materials and innovative design features to make them the best choice for superior performance in harsh, wet location environments. Cat Nos.: 15A-250V, NEMA 6-15R Single Watertight Receptacle 60W49__ (Yellow) 60W49BK__ (All-Black) Duplex Watertight Receptacle 60W49DPLX__ (Yellow) 60W49DPLXBK__ (All-Black) Image shown: 5262CR