Thin Extension Cord With 10 feet long, Clear extension cord indoor thin can extent the short lamp cord, breaking the limitation of length of the power cable and installation place. Providing the perfect extension solution for your Christmas lights ideas. UL-certified Extension Cords7A/125V invisible extension cord with UL certification, polarized both male and female ends, is more safer and is in line with US standard outlets. Appealing alternative to ordinary extension cords.Clear extension cord is ideal to use at home and office.Please use low power appliances (1500W) when connecting two indoor extension cord for your safety.