Lighted End and Extra Size for Safety: The power socket indicator light shows that power is on and the heavy duty extension cord 6 ft is ready for work; extra size male nema 5-15P power plug and female nema 5-15r power socket for safety;It has high insulation safety performance to prevent electric shock; ETL/cETL listed for safe approval Many Application Power Cord Extension: 3 prong grounded outlet 12 awg extension cord 6 foot; the pvc outer jacket is is flame-resistant, waterproof weather-resistant(IP65) cold-resistant (-50°C)and corrosion-resistant suitable for indoor and outdoor, home office use, and industrial extension cord; the shiny yellow color for easy visibility provides extra safety and avoids tripping while working