30A 3P 4W Standard NEMA Flanged Outlet Cat. No. MP-30P3SNFO
30A  3P4W   Standard NEMA Flanged Outlet 3014FO, 30A 125/250V 3P4W (L14-30R) 3015FO, 30A 250V 3P4W (L15-30R) 3016FO, 30A 480V 3P4W (L16-30R) 3021FO, 30A 120/208V 4P5W (L21-30R) Voltage: 3014FO, 30A 125/250V 3P4W (L14-30R) : $44.39 3015FO, 30A 250V 3P4W (L15-30R) : $25.25 3016FO, 30A 480V 3P4W (L16-30R) : $33.45 3021FO, 30A 120/208V 4P5W (L21-30R) : $55.63