INCLUDES: 3 foot extension cord in White; ideal for extending power ... Plugs into any standard 3-prong power outlet; accepts 2- or 3-prong device plugs ...

was $33 now $27 @ Amazon This hybrid extension cord can be used both indoors and outside. It has a 3-prong outlet with a 10 ...

If absolutely necessary, a three-prong grounded extension cord can be used, as long as it is short. The extension cord must also be heavy duty, which is to say, at least as thick as the treadmill ...