NEMA 7-50R Plug,7-50R 50A/277V Female Socket (ETL Certified) 50Amp 277Volt Cord End Receptacle, Heavy Duty 3-Prong Connector, Black Color

[IMPORTANT: ] This is NEMA (7-50R) 50AMP 277VOLT DIY (Rewireable) AC Power Receptacle, it is very special receptacle which be used only in some very old power devices, please see our picture illustration before you buy the item.
[ETL CERTIFIED] NEMA 7-50R 50AMP 277VOLT heavy duty receptacle for Welders and Driers, NEMA 7-50R female socket.
NEMA 7-50R receptacle, 50AMP 277Vac for 6AWG Cor
40AMP 277Vac for 7/8AWG Cord
30AMP 277Vac for 10/9AWG Cord
25AMP 277Vac for 12/11AWG Cord It compatible with cord: (12-6AWG 3C SJT SJTW SJTR SJTW-R SJTO SJTOW SJTOOW ST STW STOW STOOW SJE SJEW SJEO SJEOW SJEOOW SJ SHJ SJO SJOO SJOW SJOOW ETC.
The ETL certified 3-Prong socket comply with the standard of [UL 498:2017
Ed. 16+R: 20Jun2024] and CSA C 22.2 # 42:2010 Ed. 7+U1
U2
U3
U4
U5], Line terminal part marked with "X", "Y", "Z" Grounding terminal part marked with "G" Grounded terminal part marked with "W" Turn and pull" for locking types
Plug shell cover in pure Nylon (Nylon UL 94-V0), compliance with ROHS REACH. Metal pin in Bass (pure copper), We offer two extra Strain reliefs which make the cord and the socket fit together perfectly.
[Support CORD OD MAX. 31.5 mm ( 1.24 Inches] The plug designed for cord SJT STJW STO SJTO SO ST SRD SVO Etc, 12AWG/10AWG 8AWG/6AWG 3 Conductors,