15ft 30A Generator Extension Cord & Inlet Box, NEMA L14-30, 7500W Heavy Duty
ETL Listed: High quality standards. 10 gauge 4 prong SJTW 125/250V up to 7500W, NEMA L14-30P male to L14-30R female twist lock, ETL Listed. Also for house building. Pre Drilled: The 4 knockouts were replaced by rubber plugs which are easy to remove directly without damaging the power inlet box.