Safe to Use UL-certified 10A/125V thin clear extension cord, with ETL certified polarized male and female ends, is safer than the non-polarized plug. Transparent extension cords with two prongs in US standard, are great for extending appliance cables around the house or in the officeMAX:1800W 1 Pack 15 Ft Extension Cord15 Ft single extension cord make it easy to put lights far from outlets, and meet most extension needs. Ideal for the shorter power cords, extension Cords help you get rid off the use limitation of length and space