• [ETL LISTED] NEW [1 Set] Black/White Locking/Lock in NEMA L7-15P & NEMA L7-15R socket.15AMP 277VOLT straight AC industrial grade generators male plug. L7-15P 15Amp DIY/Rewireable AC connector, Easy to grab and easy to install. The rotated (T-shaped) blade on the plug which prevents accidental connection to a locking 15AMP/277 VOLT 
• 15AMP 277Vac for 14/13/12AWG Cord, 13AMP 277 Vac for 16/15AWG Cord, 10AMP/277Vac for 18/17AWG cord, It compatible with cord: (18-12AWG 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 C22.2#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
• 15AMP/277VOLT 3750 Watt, Excellent quality and easy to use, robust design. Heavy duty conducting materials.