Edit: Returned the cables for three new ones. The new cables are also not polarized. folks, this is dangerous. If the manufacturer of your device wanted it to have a non-polarized cable, they would make it this way, it's cheaper. People are at risk of electric shock. The product I received does not match the picture. The end of the power plug is NOT polarized as shown in the picture. As seen in the picture, it is also not UL listed. This is very dangerous for some devices, it will put 120v to ground on some devices and if you have bare metal you will have 120 volts. Polarization means that both ends of the cable can only be connected in one direction! If your device has a polarized outlet, the manufacturer found it necessary to use a polarized cord, otherwise they would have used a non-polarized one. Dangerous, dangerous, dangerous!