Nema Straight Blade Configurations Posted on February 13, 2017February 16, 2017 by Brandy McNeil NEMA Configurations for general-purpose nonlocking Plugs and Receptacles Voltage 15 Ampere 20 Ampere 30 Ampere 50 Ampere 60 Ampere Receptacle Plug Receptacle Plug Receptacle Plug Receptacle Plug Receptacle Plug 2 Pole 2 Wire 125V 1 1-15R 1-15P 250V 2 2-15P 2-20R 2-20P 2-30R 2-30P 277V AC 3 Reserved For Future Configurations 600V 4 Reserved For Future Configurations 2 Pole 3 Wire Grounding 125V 5 5-15R 5-15P 5-20R 5-20P 5-30R 5-30P 5-50R 5-50P 250V 6 6-15R 6-15P 6-20R 6-20P 6-30R 6-30P 6-50R 6-50P 277V AC 7 7-15R 7-15P 7-20R 7-20P 7-30R 7-30P 7-50R 7-50P 347V AC 24 24-15R 24-15P 24-20R 24-20P 24-30R 24-30P 24-50R 24-50P 480V AC 8 Reserved For Future Configurations 600V 9 Reserved For Future Configurations 3 Pole 3 Wire 125/250V 10 10-20R 10-20P 10-30R 10-30P 10-50R 10-50P 3Ø 250V 11 11-15R 11-15P 11-20R 11-20P 11-30R 11-30P 11-50R 11-50P 3Ø 480V 12 Reserved For Future Configurations 3Ø 600V 13 Reserved For Future Configurations 3 pole 4 Wire Grounding 125/250V 14 14-15R 14-15P 14-20R 14-20P 14-30R 14-30P 14-50R 14-50P 14-60R 14-60P 3Ø 250V 15 15-15R 15-15P 15-20R 15-20P 15-30R 15-30P 15-50R 15-50P 15-60R 15-60P 3Ø 480V 16 Reserved For Future Configurations 3Ø 600V 17 Reserved For Future Configurations 4 Pole 4 Wire 3ØY 120/208V 18 18-15R 18-15P 18-20R 18-20P 18-30R 18-30P 18-50R 18-50P 18-60R 18-60P 3ØY 277/480V 19 Reserved For Future Configurations 3ØY 347/600V 20 Reserved For Future Configurations 4 Pole 5 Wire Grounding 3ØY 120/208V 21 Reserved For Future Configurations 3ØY 277/480V 22 Reserved For Future Configurations 3ØY 347/600V 23 Reserved For Future Configurations