The ParkPower 25' 15 Amp Locking Extension Cord with Light is a marine grade 14/3 SJTOW cable that features a slide button lock on the female end for protection against any accidental cable disconnection. The durable and clear lighted female end provides you with visual power indication. Female end provides visual power indication ETL certified to UL standards | Marinco 25 15 Amp Locking Extension Cord with Light