Ans: Plugging the electric treadmill into a regular output is dependent on the individual brand and the models. Most manufacturers produce machines that require a surge suppressor to meet the standards of the treadmill. Plugging your treadmill into a regular outlet may fail to match the power requirements of your machine. It is advisable to install a grounded outlet to protect yourself from electrical shocks. Take a surge suppressor, plug it into this grounded outlet, and then plug in the treadmill. Let us say there is a power surge at your place. In such a case, this surge suppressor would be of great help in keeping your machine safe and functioning. Get all these additional installations done with the help of a professional. Do not forget to unplug your treadmill after you finish working out.