SJTOW FOR RUGGED OUTDOOR USE: Perfect for indoor and outdoor. The high quality vinyl material with SJTOW rated protects cord against water, snow, oil, and corrosion plus providing Foot. Flexible in cold temperatures. EXTRA HEAVY DUTY EXTENSION CORD: This 15 amp extension cord 50 foot is 12 AWG, perfect for farms, ranches, workshop, and powering higher wattage appliances, air conditioner, as well as outdoor lights & yard, landscaping, leaf blower, and more.